23998021210 has 8 divisors (see below), whose sum is σ = 43196438196. Its totient is φ = 9599208480.

The previous prime is 23998021189. The next prime is 23998021211. The reversal of 23998021210 is 1212089932.

It can be written as a sum of positive squares in 2 ways, for example, as 23415426441 + 582594769 = 153021^2 + 24137^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 23998021210.

It is not an unprimeable number, because it can be changed into a prime (23998021211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199901051 + ... + 1199901070.

Almost surely, 2^23998021210 is an apocalyptic number.

23998021210 is a deficient number, since it is larger than the sum of its proper divisors (19198416986).

23998021210 is a wasteful number, since it uses less digits than its factorization.

23998021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399802128.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 23998021210 in words is "twenty-three billion, nine hundred ninety-eight million, twenty-one thousand, two hundred ten".