23238953 has 4 divisors (see below), whose sum is σ = 23312580. Its totient is φ = 23165328.

The previous prime is 23238931. The next prime is 23238959. The reversal of 23238953 is 35983232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1968409 + 21270544 = 1403^2 + 4612^2 .

It is a cyclic number.

It is not a de Polignac number, because 23238953 - 2¹⁶ = 23173417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23238959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36338 + ... + 36971.

It is an arithmetic number, because the mean of its divisors is an integer number (5828145).

Almost surely, 2^23238953 is an apocalyptic number.

It is an amenable number.

23238953 is a deficient number, since it is larger than the sum of its proper divisors (73627).

23238953 is an equidigital number, since it uses as much as digits as its factorization.

23238953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73626.

The product of its digits is 38880, while the sum is 35.

The square root of 23238953 is about 4820.6797238564. The cubic root of 23238953 is about 285.3681627583.

The spelling of 23238953 in words is "twenty-three million, two hundred thirty-eight thousand, nine hundred fifty-three".