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1230123000 = 233534173137
BaseRepresentation
bin100100101010010…
…0010111111111000
310011201200201112010
41021110202333320
510004402414000
6322021445520
742324605301
oct11124427770
93151621463
101230123000
11581410687
122a3b708a0
13167b10442
14b95317a8
1572edad50
hex49522ff8

1230123000 has 256 divisors, whose sum is σ = 4014541440. Its totient is φ = 313344000.

The previous prime is 1230122989. The next prime is 1230123019. The reversal of 1230123000 is 3210321.

It is a happy number.

1230123000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8978932 + ... + 8979068.

Almost surely, 21230123000 is an apocalyptic number.

1230123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007270720).

1230123000 is an abundant number, since it is smaller than the sum of its proper divisors (2784418440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230123000 is a wasteful number, since it uses less digits than its factorization.

1230123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1230123000 is about 35073.1093574550. The cubic root of 1230123000 is about 1071.4769832093.

Adding to 1230123000 its reverse (3210321), we get a palindrome (1233333321).

It can be divided in two parts, 1230 and 123000, that multiplied together give a square (151290000 = 123002).

The spelling of 1230123000 in words is "one billion, two hundred thirty million, one hundred twenty-three thousand".