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23031301200 = 24352293137577
BaseRepresentation
bin10101011100110001…
…011100010001010000
32012110002110022202120
4111130301130101100
5334132003114300
614325212414240
71443510554505
oct253461342120
965402408676
1023031301200
119849629526
124569177380
1322306cb49b
141186b194ac
158ebe443a0
hex55cc5c450

23031301200 has 480 divisors, whose sum is σ = 81052431360. Its totient is φ = 5573836800.

The previous prime is 23031301063. The next prime is 23031301201. The reversal of 23031301200 is 210313032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23031301200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031301201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39915312 + ... + 39915888.

It is an arithmetic number, because the mean of its divisors is an integer number (168859232).

Almost surely, 223031301200 is an apocalyptic number.

23031301200 is a gapful number since it is divisible by the number (20) 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 23031301200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40526215680).

23031301200 is an abundant number, since it is smaller than the sum of its proper divisors (58021130160).

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

23031301200 is a wasteful number, since it uses less digits than its factorization.

23031301200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23031301200 its reverse (210313032), we get a palindrome (23241614232).

The spelling of 23031301200 in words is "twenty-three billion, thirty-one million, three hundred one thousand, two hundred".