11742115023 has 24 divisors (see below), whose sum is σ = 17598326928. Its totient is φ = 7823931264.

The previous prime is 11742115019. The next prime is 11742115031. The reversal of 11742115023 is 32051124711.

11742115023 is a `hidden beast` number, since 117 + 42 + 1 + 1 + 502 + 3 = 666.

It is not a de Polignac number, because 11742115023 - 2² = 11742115019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742115013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487111 + ... + 510647.

It is an arithmetic number, because the mean of its divisors is an integer number (733263622).

Almost surely, 2^11742115023 is an apocalyptic number.

11742115023 is a deficient number, since it is larger than the sum of its proper divisors (5856211905).

11742115023 is an equidigital number, since it uses as much as digits as its factorization.

11742115023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25605 (or 25593 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 11742115023 its reverse (32051124711), we get a palindrome (43793239734).

The spelling of 11742115023 in words is "eleven billion, seven hundred forty-two million, one hundred fifteen thousand, twenty-three".