13401423387 has 96 divisors (see below), whose sum is σ = 22878535680. Its totient is φ = 7471880640.

The previous prime is 13401423379. The next prime is 13401423397. The reversal of 13401423387 is 78332410431.

13401423387 is a `hidden beast` number, since 1 + 340 + 1 + 4 + 233 + 87 = 666.

It is not a de Polignac number, because 13401423387 - 2³ = 13401423379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13401423307) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18036538 + ... + 18037280.

It is an arithmetic number, because the mean of its divisors is an integer number (238318080).

Almost surely, 2^13401423387 is an apocalyptic number.

13401423387 is a deficient number, since it is larger than the sum of its proper divisors (9477112293).

13401423387 is a wasteful number, since it uses less digits than its factorization.

13401423387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 13401423387 in words is "thirteen billion, four hundred one million, four hundred twenty-three thousand, three hundred eighty-seven".