7900923 has 4 divisors (see below), whose sum is σ = 10534568. Its totient is φ = 5267280.

The previous prime is 7900909. The next prime is 7900931. The reversal of 7900923 is 3290097.

7900923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7900923 - 2⁶ = 7900859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7900993) 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, 1316818 + ... + 1316823.

It is an arithmetic number, because the mean of its divisors is an integer number (2633642).

Almost surely, 2^7900923 is an apocalyptic number.

7900923 is a deficient number, since it is larger than the sum of its proper divisors (2633645).

7900923 is a wasteful number, since it uses less digits than its factorization.

7900923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633644.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 7900923 is about 2810.8580540468. The cubic root of 7900923 is about 199.1709262660.

The spelling of 7900923 in words is "seven million, nine hundred thousand, nine hundred twenty-three".