123515064432230 has 16 divisors (see below), whose sum is σ = 223479069950304. Its totient is φ = 49150036001280.

The previous prime is 123515064432223. The next prime is 123515064432233. The reversal of 123515064432230 is 32234460515321.

It is a super-2 number, since 2×123515064432230² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123515064432233) 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, 31998719426 + ... + 31998723285.

It is an arithmetic number, because the mean of its divisors is an integer number (13967441871894).

Almost surely, 2^{123515064432230} is an apocalyptic number.

123515064432230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123515064432230 is a deficient number, since it is larger than the sum of its proper divisors (99964005518074).

123515064432230 is a wasteful number, since it uses less digits than its factorization.

123515064432230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63997442911.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 123515064432230 in words is "one hundred twenty-three trillion, five hundred fifteen billion, sixty-four million, four hundred thirty-two thousand, two hundred thirty".