672911298423 has 96 divisors (see below), whose sum is σ = 1212854988800. Its totient is φ = 350037013248.

The previous prime is 672911298419. The next prime is 672911298547. The reversal of 672911298423 is 324892119276.

672911298423 is a `hidden beast` number, since 6 + 7 + 2 + 91 + 129 + 8 + 423 = 666.

It is not a de Polignac number, because 672911298423 - 2² = 672911298419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672911298423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672911298623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59454561 + ... + 59465877.

Almost surely, 2^672911298423 is an apocalyptic number.

672911298423 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

672911298423 is a deficient number, since it is larger than the sum of its proper divisors (539943690377).

672911298423 is a wasteful number, since it uses less digits than its factorization.

672911298423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12341 (or 12338 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 672911298423 in words is "six hundred seventy-two billion, nine hundred eleven million, two hundred ninety-eight thousand, four hundred twenty-three".