23253431 has 2 divisors, whose sum is σ = 23253432. Its totient is φ = 23253430.

The previous prime is 23253409. The next prime is 23253463. The reversal of 23253431 is 13435232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23253431 - 2²² = 19059127 is a prime.

It is a super-2 number, since 2×23253431² = 1081444106543522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23253397 and 23253406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23253631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11626715 + 11626716.

It is an arithmetic number, because the mean of its divisors is an integer number (11626716).

Almost surely, 2^23253431 is an apocalyptic number.

23253431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23253431 is an equidigital number, since it uses as much as digits as its factorization.

23253431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 23253431 is about 4822.1811454984. The cubic root of 23253431 is about 285.4274124523.

Adding to 23253431 its reverse (13435232), we get a palindrome (36688663).

The spelling of 23253431 in words is "twenty-three million, two hundred fifty-three thousand, four hundred thirty-one".