23066431 has 2 divisors, whose sum is σ = 23066432. Its totient is φ = 23066430.

The previous prime is 23066423. The next prime is 23066441. The reversal of 23066431 is 13466032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23066431 - 2³ = 23066423 is a prime.

It is a super-2 number, since 2×23066431² = 1064120478155522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23066396 and 23066405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23066411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11533215 + 11533216.

It is an arithmetic number, because the mean of its divisors is an integer number (11533216).

Almost surely, 2^23066431 is an apocalyptic number.

23066431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23066431 is an equidigital number, since it uses as much as digits as its factorization.

23066431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23066431 is about 4802.7524400077. The cubic root of 23066431 is about 284.6602332483.

The spelling of 23066431 in words is "twenty-three million, sixty-six thousand, four hundred thirty-one".