23002398 has 12 divisors (see below), whose sum is σ = 49838568. Its totient is φ = 7667460.

The previous prime is 23002391. The next prime is 23002417. The reversal of 23002398 is 89320032.

It is a super-2 number, since 2×23002398² = 1058220627500808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 638938 + ... + 638973.

It is an arithmetic number, because the mean of its divisors is an integer number (4153214).

Almost surely, 2^23002398 is an apocalyptic number.

23002398 is an abundant number, since it is smaller than the sum of its proper divisors (26836170).

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

23002398 is a wasteful number, since it uses less digits than its factorization.

23002398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277919 (or 1277916 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 23002398 is about 4796.0815255790. The cubic root of 23002398 is about 284.3965811098.

The spelling of 23002398 in words is "twenty-three million, two thousand, three hundred ninety-eight".