913923 has 12 divisors (see below), whose sum is σ = 1369368. Its totient is φ = 609120.

The previous prime is 913921. The next prime is 913933. The reversal of 913923 is 329319.

913923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 913923 - 2¹ = 913921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 913923.

It is not an unprimeable number, because it can be changed into a prime (913921) 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, 1638 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (114114).

2⁹¹³⁹²³ is an apocalyptic number.

913923 is a deficient number, since it is larger than the sum of its proper divisors (455445).

913923 is an equidigital number, since it uses as much as digits as its factorization.

913923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776 (or 3764 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 913923 is about 955.9932008126. The cubic root of 913923 is about 97.0442636400.

The spelling of 913923 in words is "nine hundred thirteen thousand, nine hundred twenty-three".