23881668408 has 96 divisors (see below), whose sum is σ = 73752260400. Its totient is φ = 6915953664.

The previous prime is 23881668367. The next prime is 23881668509. The reversal of 23881668408 is 80486618832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 734518 + ... + 766341.

Almost surely, 2^23881668408 is an apocalyptic number.

It is an amenable number.

23881668408 is an abundant number, since it is smaller than the sum of its proper divisors (49870591992).

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

23881668408 is a wasteful number, since it uses less digits than its factorization.

23881668408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500901 (or 1500894 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 23881668408 in words is "twenty-three billion, eight hundred eighty-one million, six hundred sixty-eight thousand, four hundred eight".