102272056723 has 4 divisors (see below), whose sum is σ = 102276906840. Its totient is φ = 102267206608.

The previous prime is 102272056639. The next prime is 102272056771. The reversal of 102272056723 is 327650272201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102272056723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102272056223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393290 + ... + 2435647.

It is an arithmetic number, because the mean of its divisors is an integer number (25569226710).

Almost surely, 2^102272056723 is an apocalyptic number.

102272056723 is a deficient number, since it is larger than the sum of its proper divisors (4850117).

102272056723 is an equidigital number, since it uses as much as digits as its factorization.

102272056723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850116.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 102272056723 in words is "one hundred two billion, two hundred seventy-two million, fifty-six thousand, seven hundred twenty-three".