120164261523 has 16 divisors (see below), whose sum is σ = 168661718400. Its totient is φ = 75888662400.

The previous prime is 120164261513. The next prime is 120164261537. The reversal of 120164261523 is 325162461021.

It is not a de Polignac number, because 120164261523 - 2⁸ = 120164261267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120164261513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071723 + ... + 1178523.

It is an arithmetic number, because the mean of its divisors is an integer number (10541357400).

Almost surely, 2^120164261523 is an apocalyptic number.

120164261523 is a deficient number, since it is larger than the sum of its proper divisors (48497456877).

120164261523 is a wasteful number, since it uses less digits than its factorization.

120164261523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126562.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 120164261523 in words is "one hundred twenty billion, one hundred sixty-four million, two hundred sixty-one thousand, five hundred twenty-three".