23257206 has 40 divisors (see below), whose sum is σ = 59561040. Its totient is φ = 6644592.

The previous prime is 23257193. The next prime is 23257237. The reversal of 23257206 is 60275232.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23257206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9121 + ... + 11388.

It is an arithmetic number, because the mean of its divisors is an integer number (1489026).

Almost surely, 2^23257206 is an apocalyptic number.

23257206 is an abundant number, since it is smaller than the sum of its proper divisors (36303834).

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

23257206 is a wasteful number, since it uses less digits than its factorization.

23257206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20530 (or 20521 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 23257206 is about 4822.5725499986. The cubic root of 23257206 is about 285.4428572008.

The spelling of 23257206 in words is "twenty-three million, two hundred fifty-seven thousand, two hundred six".