23457408 has 128 divisors (see below), whose sum is σ = 69457920. Its totient is φ = 6967296.

The previous prime is 23457407. The next prime is 23457409. The reversal of 23457408 is 80475432.

It is an interprime number because it is at equal distance from previous prime (23457407) and next prime (23457409).

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (23457407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184641 + ... + 184767.

It is an arithmetic number, because the mean of its divisors is an integer number (542640).

Almost surely, 2^23457408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23457408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34728960).

23457408 is an abundant number, since it is smaller than the sum of its proper divisors (46000512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23457408 is a wasteful number, since it uses less digits than its factorization.

23457408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 23457408 is about 4843.2848357287. The cubic root of 23457408 is about 286.2595651603.

The spelling of 23457408 in words is "twenty-three million, four hundred fifty-seven thousand, four hundred eight".