40122534523 has 16 divisors (see below), whose sum is σ = 41548288320. Its totient is φ = 38719296000.

The previous prime is 40122534511. The next prime is 40122534539. The reversal of 40122534523 is 32543522104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40122534523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40122534223) 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, 2750098 + ... + 2764648.

It is an arithmetic number, because the mean of its divisors is an integer number (2596768020).

Almost surely, 2^40122534523 is an apocalyptic number.

40122534523 is a deficient number, since it is larger than the sum of its proper divisors (1425753797).

40122534523 is a wasteful number, since it uses less digits than its factorization.

40122534523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15318.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 40122534523 in words is "forty billion, one hundred twenty-two million, five hundred thirty-four thousand, five hundred twenty-three".