72680356323 has 8 divisors (see below), whose sum is σ = 107674602000. Its totient is φ = 48453570864.

The previous prime is 72680356321. The next prime is 72680356363. The reversal of 72680356323 is 32365308627.

72680356323 is a `hidden beast` number, since 7 + 2 + 6 + 8 + 0 + 3 + 5 + 632 + 3 = 666.

It is not a de Polignac number, because 72680356323 - 2¹ = 72680356321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72680356321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345932498 + ... + 1345932551.

It is an arithmetic number, because the mean of its divisors is an integer number (13459325250).

Almost surely, 2^72680356323 is an apocalyptic number.

72680356323 is a deficient number, since it is larger than the sum of its proper divisors (34994245677).

72680356323 is a wasteful number, since it uses less digits than its factorization.

72680356323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691865058 (or 2691865052 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

It can be divided in two parts, 726803 and 56323, that added together give a triangular number (783126 = T₁₂₅₁).

The spelling of 72680356323 in words is "seventy-two billion, six hundred eighty million, three hundred fifty-six thousand, three hundred twenty-three".