11634523923 has 16 divisors (see below), whose sum is σ = 16924957056. Its totient is φ = 7050387840.

The previous prime is 11634523853. The next prime is 11634523933. The reversal of 11634523923 is 32932543611.

It is not a de Polignac number, because 11634523923 - 2¹³ = 11634515731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11634523933) 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, 368736 + ... + 399042.

It is an arithmetic number, because the mean of its divisors is an integer number (1057809816).

Almost surely, 2^11634523923 is an apocalyptic number.

11634523923 is a deficient number, since it is larger than the sum of its proper divisors (5290433133).

11634523923 is a wasteful number, since it uses less digits than its factorization.

11634523923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41954.

The product of its digits is 116640, while the sum is 39.

The spelling of 11634523923 in words is "eleven billion, six hundred thirty-four million, five hundred twenty-three thousand, nine hundred twenty-three".