23012132019 has 16 divisors (see below), whose sum is σ = 31225747968. Its totient is φ = 15071218272.

The previous prime is 23012131949. The next prime is 23012132047. The reversal of 23012132019 is 91023121032.

It is not a de Polignac number, because 23012132019 - 2²⁰ = 23011083443 is a prime.

It is a super-2 number, since 2×23012132019² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23012132019.

It is not an unprimeable number, because it can be changed into a prime (23012132089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82212 + ... + 229745.

It is an arithmetic number, because the mean of its divisors is an integer number (1951609248).

Almost surely, 2^23012132019 is an apocalyptic number.

23012132019 is a deficient number, since it is larger than the sum of its proper divisors (8213615949).

23012132019 is a wasteful number, since it uses less digits than its factorization.

23012132019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312394.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 23012132019 in words is "twenty-three billion, twelve million, one hundred thirty-two thousand, nineteen".