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1230332023 = 19120153917
BaseRepresentation
bin100100101010101…
…0110000001110111
310011202002100020201
41021111112001313
510004431111043
6322030141331
742326435554
oct11125260167
93152070221
101230332023
11581543728
122a4051847
13167b8461b
14b9587a2b
157302cc4d
hex49556077

1230332023 has 8 divisors (see below), whose sum is σ = 1296188720. Its totient is φ = 1164585600.

The previous prime is 1230332021. The next prime is 1230332057. The reversal of 1230332023 is 3202330321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230332023 - 21 = 1230332021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230332021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4140 + ... + 49777.

It is an arithmetic number, because the mean of its divisors is an integer number (162023590).

Almost surely, 21230332023 is an apocalyptic number.

1230332023 is a deficient number, since it is larger than the sum of its proper divisors (65856697).

1230332023 is a wasteful number, since it uses less digits than its factorization.

1230332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55137.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1230332023 is about 35076.0890493795. The cubic root of 1230332023 is about 1071.5376683737.

Adding to 1230332023 its reverse (3202330321), we get a palindrome (4432662344).

The spelling of 1230332023 in words is "one billion, two hundred thirty million, three hundred thirty-two thousand, twenty-three".

Divisors: 1 19 1201 22819 53917 1024423 64754317 1230332023