23920998 has 16 divisors (see below), whose sum is σ = 49492080. Its totient is φ = 7698656.

The previous prime is 23920973. The next prime is 23921011. The reversal of 23920998 is 89902932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68565 + ... + 68912.

It is an arithmetic number, because the mean of its divisors is an integer number (3093255).

Almost surely, 2^23920998 is an apocalyptic number.

23920998 is an abundant number, since it is smaller than the sum of its proper divisors (25571082).

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

23920998 is a wasteful number, since it uses less digits than its factorization.

23920998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137511.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 23920998 is about 4890.9097313281. The cubic root of 23920998 is about 288.1330644753.

The spelling of 23920998 in words is "twenty-three million, nine hundred twenty thousand, nine hundred ninety-eight".