23437231 has 2 divisors, whose sum is σ = 23437232. Its totient is φ = 23437230.

The previous prime is 23437229. The next prime is 23437259. The reversal of 23437231 is 13273432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23437231 - 2¹ = 23437229 is a prime.

It is a super-2 number, since 2×23437231² = 1098607593894722, which contains 22 as substring.

Together with 23437229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23437196 and 23437205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23437261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11718615 + 11718616.

It is an arithmetic number, because the mean of its divisors is an integer number (11718616).

Almost surely, 2^23437231 is an apocalyptic number.

23437231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23437231 is an equidigital number, since it uses as much as digits as its factorization.

23437231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 25.

The square root of 23437231 is about 4841.2014004790. The cubic root of 23437231 is about 286.1774657786.

The spelling of 23437231 in words is "twenty-three million, four hundred thirty-seven thousand, two hundred thirty-one".