423119657691 has 32 divisors (see below), whose sum is σ = 652659685440. Its totient is φ = 270688262400.

The previous prime is 423119657671. The next prime is 423119657717. The reversal of 423119657691 is 196756911324.

423119657691 is a `hidden beast` number, since 423 + 1 + 1 + 9 + 65 + 76 + 91 = 666.

It is not a de Polignac number, because 423119657691 - 2⁷ = 423119657563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423119657621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3065440 + ... + 3200493.

It is an arithmetic number, because the mean of its divisors is an integer number (20395615170).

Almost surely, 2^423119657691 is an apocalyptic number.

423119657691 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

423119657691 is a deficient number, since it is larger than the sum of its proper divisors (229540027749).

423119657691 is a wasteful number, since it uses less digits than its factorization.

423119657691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266044 (or 6266038 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 423119657691 in words is "four hundred twenty-three billion, one hundred nineteen million, six hundred fifty-seven thousand, six hundred ninety-one".