152128423821 has 24 divisors (see below), whose sum is σ = 236069007552. Its totient is φ = 86775568000.

The previous prime is 152128423819. The next prime is 152128423873. The reversal of 152128423821 is 128324821251.

It is not a de Polignac number, because 152128423821 - 2¹ = 152128423819 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 152128423821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152128422821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12319905 + ... + 12332246.

It is an arithmetic number, because the mean of its divisors is an integer number (9836208648).

Almost surely, 2^152128423821 is an apocalyptic number.

152128423821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152128423821 is a deficient number, since it is larger than the sum of its proper divisors (83940583731).

152128423821 is a wasteful number, since it uses less digits than its factorization.

152128423821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24652193 (or 24652182 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The spelling of 152128423821 in words is "one hundred fifty-two billion, one hundred twenty-eight million, four hundred twenty-three thousand, eight hundred twenty-one".