23132961 has 12 divisors (see below), whose sum is σ = 33722260. Its totient is φ = 15279840.

The previous prime is 23132953. The next prime is 23132999. The reversal of 23132961 is 16923132.

It can be written as a sum of positive squares in 2 ways, for example, as 11189025 + 11943936 = 3345^2 + 3456^2 .

It is not a de Polignac number, because 23132961 - 2³ = 23132953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23132911) 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, 10810 + ... + 12771.

Almost surely, 2^23132961 is an apocalyptic number.

It is an amenable number.

23132961 is a deficient number, since it is larger than the sum of its proper divisors (10589299).

23132961 is a wasteful number, since it uses less digits than its factorization.

23132961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23696 (or 23693 counting only the distinct ones).

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

The square root of 23132961 is about 4809.6736895552. The cubic root of 23132961 is about 284.9336502979.

The spelling of 23132961 in words is "twenty-three million, one hundred thirty-two thousand, nine hundred sixty-one".