3920377923 has 96 divisors (see below), whose sum is σ = 7230412800. Its totient is φ = 1988064000.

The previous prime is 3920377913. The next prime is 3920377931. The reversal of 3920377923 is 3297730293.

It is not a de Polignac number, because 3920377923 - 2⁵ = 3920377891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3920377913) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5529093 + ... + 5529801.

It is an arithmetic number, because the mean of its divisors is an integer number (75316800).

Almost surely, 2^3920377923 is an apocalyptic number.

3920377923 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3920377923 is a deficient number, since it is larger than the sum of its proper divisors (3310034877).

3920377923 is a wasteful number, since it uses less digits than its factorization.

3920377923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 45.

The square root of 3920377923 is about 62612.9213741062. The cubic root of 3920377923 is about 1576.7977018234.

The spelling of 3920377923 in words is "three billion, nine hundred twenty million, three hundred seventy-seven thousand, nine hundred twenty-three".