23866915340 has 24 divisors (see below), whose sum is σ = 50127458640. Its totient is φ = 9545444928.

The previous prime is 23866915337. The next prime is 23866915343. The reversal of 23866915340 is 4351966832.

It is an interprime number because it is at equal distance from previous prime (23866915337) and next prime (23866915343).

It is not an unprimeable number, because it can be changed into a prime (23866915343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72671 + ... + 230249.

It is an arithmetic number, because the mean of its divisors is an integer number (2088644110).

Almost surely, 2^23866915340 is an apocalyptic number.

23866915340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23866915340 is an abundant number, since it is smaller than the sum of its proper divisors (26260543300).

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

23866915340 is a wasteful number, since it uses less digits than its factorization.

23866915340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165161 (or 165159 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 23866915340 in words is "twenty-three billion, eight hundred sixty-six million, nine hundred fifteen thousand, three hundred forty".