23251398 has 16 divisors (see below), whose sum is σ = 46556976. Its totient is φ = 7741440.

The previous prime is 23251391. The next prime is 23251399. The reversal of 23251398 is 89315232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5238 + ... + 8598.

It is an arithmetic number, because the mean of its divisors is an integer number (2909811).

Almost surely, 2^23251398 is an apocalyptic number.

23251398 is an abundant number, since it is smaller than the sum of its proper divisors (23305578).

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

23251398 is a wasteful number, since it uses less digits than its factorization.

23251398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519.

The product of its digits is 12960, while the sum is 33.

The square root of 23251398 is about 4821.9703441643. The cubic root of 23251398 is about 285.4190940979.

The spelling of 23251398 in words is "twenty-three million, two hundred fifty-one thousand, three hundred ninety-eight".