23998359660 has 96 divisors (see below), whose sum is σ = 73440670464. Its totient is φ = 5806944000.

The previous prime is 23998359617. The next prime is 23998359673. The reversal of 23998359660 is 6695389932.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 23998359594 and 23998359603.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323455 + ... + 390665.

It is an arithmetic number, because the mean of its divisors is an integer number (765006984).

Almost surely, 2^23998359660 is an apocalyptic number.

23998359660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23998359660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36720335232).

23998359660 is an abundant number, since it is smaller than the sum of its proper divisors (49442310804).

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

23998359660 is a wasteful number, since it uses less digits than its factorization.

23998359660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67775 (or 67773 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 60.

The spelling of 23998359660 in words is "twenty-three billion, nine hundred ninety-eight million, three hundred fifty-nine thousand, six hundred sixty".