102840074323 has 12 divisors (see below), whose sum is σ = 119794885392. Its totient is φ = 88027354800.

The previous prime is 102840074303. The next prime is 102840074357. The reversal of 102840074323 is 323470048201.

It is a de Polignac number, because none of the positive numbers 2^k-102840074323 is a prime.

It is a super-3 number, since 3×102840074323³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102840074303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1407828 + ... + 1479073.

It is an arithmetic number, because the mean of its divisors is an integer number (9982907116).

Almost surely, 2^102840074323 is an apocalyptic number.

102840074323 is a deficient number, since it is larger than the sum of its proper divisors (16954811069).

102840074323 is an equidigital number, since it uses as much as digits as its factorization.

102840074323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887642 (or 2887635 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 102840074323 in words is "one hundred two billion, eight hundred forty million, seventy-four thousand, three hundred twenty-three".