3157923 has 8 divisors (see below), whose sum is σ = 4393728. Its totient is φ = 2013704.

The previous prime is 3157919. The next prime is 3157927. The reversal of 3157923 is 3297513.

3157923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3157919) and next prime (3157927).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3157923 - 2² = 3157919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3157927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22815 + ... + 22952.

It is an arithmetic number, because the mean of its divisors is an integer number (549216).

Almost surely, 2^3157923 is an apocalyptic number.

3157923 is a deficient number, since it is larger than the sum of its proper divisors (1235805).

3157923 is a wasteful number, since it uses less digits than its factorization.

3157923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45793.

The product of its digits is 5670, while the sum is 30.

The square root of 3157923 is about 1777.0545855432. The cubic root of 3157923 is about 146.7125206718.

It can be divided in two parts, 315792 and 3, that multiplied together give a triangular number (947376 = T₁₃₇₆).

The spelling of 3157923 in words is "three million, one hundred fifty-seven thousand, nine hundred twenty-three".