23056489 has 2 divisors, whose sum is σ = 23056490. Its totient is φ = 23056488.

The previous prime is 23056483. The next prime is 23056493. The reversal of 23056489 is 98465032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14500864 + 8555625 = 3808^2 + 2925^2 .

It is a cyclic number.

It is not a de Polignac number, because 23056489 - 2¹³ = 23048297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23056483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528244 + 11528245.

It is an arithmetic number, because the mean of its divisors is an integer number (11528245).

Almost surely, 2^23056489 is an apocalyptic number.

It is an amenable number.

23056489 is a deficient number, since it is larger than the sum of its proper divisors (1).

23056489 is an equidigital number, since it uses as much as digits as its factorization.

23056489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 23056489 is about 4801.7172969678. The cubic root of 23056489 is about 284.6193296694.

The spelling of 23056489 in words is "twenty-three million, fifty-six thousand, four hundred eighty-nine".