23023998 has 12 divisors (see below), whose sum is σ = 49885368. Its totient is φ = 7674660.

The previous prime is 23023993. The next prime is 23024009. The reversal of 23023998 is 89932032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 639538 + ... + 639573.

It is an arithmetic number, because the mean of its divisors is an integer number (4157114).

Almost surely, 2^23023998 is an apocalyptic number.

23023998 is an abundant number, since it is smaller than the sum of its proper divisors (26861370).

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

23023998 is a wasteful number, since it uses less digits than its factorization.

23023998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279119 (or 1279116 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 23023998 is about 4798.3328354753. The cubic root of 23023998 is about 284.4855724741.

The spelling of 23023998 in words is "twenty-three million, twenty-three thousand, nine hundred ninety-eight".