23667381380 has 24 divisors (see below), whose sum is σ = 49727294232. Its totient is φ = 9462039552.

The previous prime is 23667381379. The next prime is 23667381401. The reversal of 23667381380 is 8318376632.

It can be written as a sum of positive squares in 4 ways, for example, as 9569143684 + 14098237696 = 97822^2 + 118736^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267437 + ... + 344756.

It is an arithmetic number, because the mean of its divisors is an integer number (2071970593).

Almost surely, 2^23667381380 is an apocalyptic number.

23667381380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23667381380 is an abundant number, since it is smaller than the sum of its proper divisors (26059912852).

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

23667381380 is a wasteful number, since it uses less digits than its factorization.

23667381380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614135 (or 614133 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 23667381380 in words is "twenty-three billion, six hundred sixty-seven million, three hundred eighty-one thousand, three hundred eighty".