23454689 has 2 divisors, whose sum is σ = 23454690. Its totient is φ = 23454688.

The previous prime is 23454671. The next prime is 23454703. The reversal of 23454689 is 98645432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22877089 + 577600 = 4783^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 23454689 - 2⁸ = 23454433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23454289) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727344 + 11727345.

It is an arithmetic number, because the mean of its divisors is an integer number (11727345).

Almost surely, 2^23454689 is an apocalyptic number.

It is an amenable number.

23454689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454689 is an equidigital number, since it uses as much as digits as its factorization.

23454689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 23454689 is about 4843.0041296699. The cubic root of 23454689 is about 286.2485044067.

It can be divided in two parts, 2345 and 4689, that multiplied together give a triangular number (10995705 = T₄₆₈₉).

The spelling of 23454689 in words is "twenty-three million, four hundred fifty-four thousand, six hundred eighty-nine".