23478958 has 16 divisors (see below), whose sum is σ = 35904960. Its totient is φ = 11512800.

The previous prime is 23478941. The next prime is 23478967. The reversal of 23478958 is 85987432.

It is a super-2 number, since 2×23478958² = 1102522937531528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28188 + ... + 29008.

It is an arithmetic number, because the mean of its divisors is an integer number (2244060).

Almost surely, 2^23478958 is an apocalyptic number.

23478958 is a deficient number, since it is larger than the sum of its proper divisors (12426002).

23478958 is a wasteful number, since it uses less digits than its factorization.

23478958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its digits is 483840, while the sum is 46.

The square root of 23478958 is about 4845.5090547846. The cubic root of 23478958 is about 286.3471992459.

The spelling of 23478958 in words is "twenty-three million, four hundred seventy-eight thousand, nine hundred fifty-eight".