23987221470 has 32 divisors (see below), whose sum is σ = 63965924640. Its totient is φ = 6396592320.

The previous prime is 23987221469. The next prime is 23987221513. The reversal of 23987221470 is 7412278932.

23987221470 is a `hidden beast` number, since 2 + 3 + 98 + 72 + 21 + 470 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44420511 + ... + 44421050.

It is an arithmetic number, because the mean of its divisors is an integer number (1998935145).

Almost surely, 2^23987221470 is an apocalyptic number.

23987221470 is an abundant number, since it is smaller than the sum of its proper divisors (39978703170).

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

23987221470 is a wasteful number, since it uses less digits than its factorization.

23987221470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88841577 (or 88841571 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 23987221470 in words is "twenty-three billion, nine hundred eighty-seven million, two hundred twenty-one thousand, four hundred seventy".