23132321019 has 12 divisors (see below), whose sum is σ = 33415641792. Its totient is φ = 15420490800.

The previous prime is 23132320973. The next prime is 23132321053. The reversal of 23132321019 is 91012323132.

23132321019 is a `hidden beast` number, since 231 + 323 + 2 + 101 + 9 = 666.

It is not a de Polignac number, because 23132321019 - 2⁸ = 23132320763 is a prime.

It is a super-2 number, since 2×23132321019² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23132320983 and 23132321001.

It is not an unprimeable number, because it can be changed into a prime (23132421019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64534 + ... + 224564.

It is an arithmetic number, because the mean of its divisors is an integer number (2784636816).

Almost surely, 2^23132321019 is an apocalyptic number.

23132321019 is a deficient number, since it is larger than the sum of its proper divisors (10283320773).

23132321019 is a wasteful number, since it uses less digits than its factorization.

23132321019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176098 (or 176095 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 23132321019 in words is "twenty-three billion, one hundred thirty-two million, three hundred twenty-one thousand, nineteen".