23257205 has 16 divisors (see below), whose sum is σ = 28600320. Its totient is φ = 18150912.

The previous prime is 23257193. The next prime is 23257237. The reversal of 23257205 is 50275232.

It is a cyclic number.

It is not a de Polignac number, because 23257205 - 2⁴ = 23257189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38012 + ... + 38618.

It is an arithmetic number, because the mean of its divisors is an integer number (1787520).

Almost surely, 2^23257205 is an apocalyptic number.

It is an amenable number.

23257205 is a deficient number, since it is larger than the sum of its proper divisors (5343115).

23257205 is an equidigital number, since it uses as much as digits as its factorization.

23257205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 23257205 is about 4822.5724463195. The cubic root of 23257205 is about 285.4428531097.

The spelling of 23257205 in words is "twenty-three million, two hundred fifty-seven thousand, two hundred five".