23454657 has 8 divisors (see below), whose sum is σ = 34747680. Its totient is φ = 15636420.

The previous prime is 23454647. The next prime is 23454661. The reversal of 23454657 is 75645432.

It is not a de Polignac number, because 23454657 - 2⁶ = 23454593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23454647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434319 + ... + 434372.

It is an arithmetic number, because the mean of its divisors is an integer number (4343460).

Almost surely, 2^23454657 is an apocalyptic number.

23454657 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

23454657 is a deficient number, since it is larger than the sum of its proper divisors (11293023).

23454657 is an equidigital number, since it uses as much as digits as its factorization.

23454657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868700 (or 868694 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 23454657 is about 4843.0008259343. Note that the first 3 decimals coincide. The cubic root of 23454657 is about 286.2483742272.

The spelling of 23454657 in words is "twenty-three million, four hundred fifty-four thousand, six hundred fifty-seven".