123523001352504 has 96 divisors (see below), whose sum is σ = 362693376864000. Its totient is φ = 37751996240640.

The previous prime is 123523001352469. The next prime is 123523001352511. The reversal of 123523001352504 is 405253100325321.

123523001352504 is a `hidden beast` number, since 1 + 23 + 5 + 230 + 0 + 1 + 352 + 50 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442709592 + ... + 442988519.

It is an arithmetic number, because the mean of its divisors is an integer number (3778056009000).

Almost surely, 2^{123523001352504} is an apocalyptic number.

It is an amenable number.

123523001352504 is an abundant number, since it is smaller than the sum of its proper divisors (239170375511496).

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

123523001352504 is a wasteful number, since it uses less digits than its factorization.

123523001352504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885698285 (or 885698278 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 123523001352504 its reverse (405253100325321), we get a palindrome (528776101677825).

It can be divided in two parts, 12352300 and 1352504, that added together give a square (13704804 = 3702²).

The spelling of 123523001352504 in words is "one hundred twenty-three trillion, five hundred twenty-three billion, one million, three hundred fifty-two thousand, five hundred four".