23257798 has 8 divisors (see below), whose sum is σ = 34909992. Its totient is φ = 11621136.

The previous prime is 23257771. The next prime is 23257799. The reversal of 23257798 is 89775232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23257799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (4363749).

Almost surely, 2^23257798 is an apocalyptic number.

23257798 is a deficient number, since it is larger than the sum of its proper divisors (11652194).

23257798 is a wasteful number, since it uses less digits than its factorization.

23257798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766.

The product of its digits is 211680, while the sum is 43.

The square root of 23257798 is about 4822.6339276375. The cubic root of 23257798 is about 285.4452791131.

The spelling of 23257798 in words is "twenty-three million, two hundred fifty-seven thousand, seven hundred ninety-eight".