23453831 has 2 divisors, whose sum is σ = 23453832. Its totient is φ = 23453830.

The previous prime is 23453827. The next prime is 23453839. The reversal of 23453831 is 13835432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23453831 - 2² = 23453827 is a prime.

It is a super-2 number, since 2×23453831² = 1100164377153122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23453794 and 23453803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23453839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726915 + 11726916.

It is an arithmetic number, because the mean of its divisors is an integer number (11726916).

Almost surely, 2^23453831 is an apocalyptic number.

23453831 is a deficient number, since it is larger than the sum of its proper divisors (1).

23453831 is an equidigital number, since it uses as much as digits as its factorization.

23453831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 23453831 is about 4842.9155474776. The cubic root of 23453831 is about 286.2450139289.

The spelling of 23453831 in words is "twenty-three million, four hundred fifty-three thousand, eight hundred thirty-one".