23398678320 has 160 divisors (see below), whose sum is σ = 76727803392. Its totient is φ = 5886498816.

The previous prime is 23398678291. The next prime is 23398678339. The reversal of 23398678320 is 2387689332.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 373927 + ... + 431993.

Almost surely, 2^23398678320 is an apocalyptic number.

23398678320 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 23398678320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38363901696).

23398678320 is an abundant number, since it is smaller than the sum of its proper divisors (53329125072).

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

23398678320 is a wasteful number, since it uses less digits than its factorization.

23398678320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58179 (or 58173 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 23398678320 in words is "twenty-three billion, three hundred ninety-eight million, six hundred seventy-eight thousand, three hundred twenty".