102790623 has 16 divisors (see below), whose sum is σ = 147862400. Its totient is φ = 63141984.

The previous prime is 102790577. The next prime is 102790631. The reversal of 102790623 is 326097201.

It is not a de Polignac number, because 102790623 - 2⁶ = 102790559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102790693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23028 + ... + 27126.

It is an arithmetic number, because the mean of its divisors is an integer number (9241400).

Almost surely, 2^102790623 is an apocalyptic number.

102790623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102790623 is a deficient number, since it is larger than the sum of its proper divisors (45071777).

102790623 is a wasteful number, since it uses less digits than its factorization.

102790623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 102790623 is about 10138.5710531613. The cubic root of 102790623 is about 468.4369731613.

The spelling of 102790623 in words is "one hundred two million, seven hundred ninety thousand, six hundred twenty-three".