23132357 has 4 divisors (see below), whose sum is σ = 23248800. Its totient is φ = 23015916.

The previous prime is 23132311. The next prime is 23132371. The reversal of 23132357 is 75323132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23132357 - 2¹⁰ = 23131333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23032357) 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, 57923 + ... + 58320.

It is an arithmetic number, because the mean of its divisors is an integer number (5812200).

Almost surely, 2^23132357 is an apocalyptic number.

It is an amenable number.

23132357 is a deficient number, since it is larger than the sum of its proper divisors (116443).

23132357 is a wasteful number, since it uses less digits than its factorization.

23132357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116442.

The product of its digits is 3780, while the sum is 26.

The square root of 23132357 is about 4809.6108990229. The cubic root of 23132357 is about 284.9311704104.

Adding to 23132357 its reverse (75323132), we get a palindrome (98455489).

The spelling of 23132357 in words is "twenty-three million, one hundred thirty-two thousand, three hundred fifty-seven".