23899401 has 8 divisors (see below), whose sum is σ = 35406560. Its totient is φ = 15932916.

The previous prime is 23899391. The next prime is 23899409. The reversal of 23899401 is 10499832.

It is not a de Polignac number, because 23899401 - 2⁷ = 23899273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23899409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442555 + ... + 442608.

It is an arithmetic number, because the mean of its divisors is an integer number (4425820).

Almost surely, 2^23899401 is an apocalyptic number.

It is an amenable number.

23899401 is a deficient number, since it is larger than the sum of its proper divisors (11507159).

23899401 is an equidigital number, since it uses as much as digits as its factorization.

23899401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885172 (or 885166 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 23899401 is about 4888.7013613024. The cubic root of 23899401 is about 288.0463250135.

The spelling of 23899401 in words is "twenty-three million, eight hundred ninety-nine thousand, four hundred one".