11529696923 has 4 divisors (see below), whose sum is σ = 11593397088. Its totient is φ = 11465996760.

The previous prime is 11529696911. The next prime is 11529696977. The reversal of 11529696923 is 32969692511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11529696923 - 2¹² = 11529692827 is a prime.

It is a super-2 number, since 2×11529696923² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11529696023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31849811 + ... + 31850172.

It is an arithmetic number, because the mean of its divisors is an integer number (2898349272).

Almost surely, 2^11529696923 is an apocalyptic number.

11529696923 is a deficient number, since it is larger than the sum of its proper divisors (63700165).

11529696923 is an equidigital number, since it uses as much as digits as its factorization.

11529696923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63700164.

The product of its digits is 1574640, while the sum is 53.

The spelling of 11529696923 in words is "eleven billion, five hundred twenty-nine million, six hundred ninety-six thousand, nine hundred twenty-three".