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23013123230 = 253391678653
BaseRepresentation
bin10101011011101100…
…000110010010011110
32012101211020210021102
4111123230012102132
5334112324420410
614323323033102
71443200214506
oct253354062236
965354223242
1023013123230
11983a343109
12456306b792
132229a054a6
141184546a06
158ea5532a5
hex55bb0649e

23013123230 has 16 divisors (see below), whose sum is σ = 41435898624. Its totient is φ = 9202521120.

The previous prime is 23013123229. The next prime is 23013123233. The reversal of 23013123230 is 3232131032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013123233) 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, 305417 + ... + 373236.

It is an arithmetic number, because the mean of its divisors is an integer number (2589743664).

Almost surely, 223013123230 is an apocalyptic number.

23013123230 is a deficient number, since it is larger than the sum of its proper divisors (18422775394).

23013123230 is a wasteful number, since it uses less digits than its factorization.

23013123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682051.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23013123230 its reverse (3232131032), we get a palindrome (26245254262).

The spelling of 23013123230 in words is "twenty-three billion, thirteen million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 3391 6782 16955 33910 678653 1357306 3393265 6786530 2301312323 4602624646 11506561615 23013123230