23058405 has 32 divisors (see below), whose sum is σ = 41395200. Its totient is φ = 12177216.

The previous prime is 23058383. The next prime is 23058407. The reversal of 23058405 is 50485032.

It is not a de Polignac number, because 23058405 - 2⁸ = 23058149 is a prime.

It is a super-2 number, since 2×23058405² = 1063380082288050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23058407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13932 + ... + 15498.

It is an arithmetic number, because the mean of its divisors is an integer number (1293600).

Almost surely, 2^23058405 is an apocalyptic number.

It is an amenable number.

23058405 is a deficient number, since it is larger than the sum of its proper divisors (18336795).

23058405 is a wasteful number, since it uses less digits than its factorization.

23058405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 23058405 is about 4801.9168047770. The cubic root of 23058405 is about 284.6272134302.

The spelling of 23058405 in words is "twenty-three million, fifty-eight thousand, four hundred five".