23538351 has 4 divisors (see below), whose sum is σ = 31384472. Its totient is φ = 15692232.

The previous prime is 23538337. The next prime is 23538367. The reversal of 23538351 is 15383532.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23538351 - 2¹⁵ = 23505583 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 (23538371) 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, 3923056 + ... + 3923061.

It is an arithmetic number, because the mean of its divisors is an integer number (7846118).

Almost surely, 2^23538351 is an apocalyptic number.

23538351 is a deficient number, since it is larger than the sum of its proper divisors (7846121).

23538351 is an equidigital number, since it uses as much as digits as its factorization.

23538351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846120.

The product of its digits is 10800, while the sum is 30.

The square root of 23538351 is about 4851.6338485092. The cubic root of 23538351 is about 286.5884464491.

It can be divided in two parts, 2 and 3538351, that added together give a palindrome (3538353).

The spelling of 23538351 in words is "twenty-three million, five hundred thirty-eight thousand, three hundred fifty-one".