1172793923 has 16 divisors (see below), whose sum is σ = 1357621440. Its totient is φ = 992342016.

The previous prime is 1172793907. The next prime is 1172793931. The reversal of 1172793923 is 3293972711.

It is a cyclic number.

It is not a de Polignac number, because 1172793923 - 2⁴ = 1172793907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1172798923) 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, 292013 + ... + 296001.

It is an arithmetic number, because the mean of its divisors is an integer number (84851340).

Almost surely, 2^1172793923 is an apocalyptic number.

1172793923 is a deficient number, since it is larger than the sum of its proper divisors (184827517).

1172793923 is an equidigital number, since it uses as much as digits as its factorization.

1172793923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526.

The product of its digits is 142884, while the sum is 44.

The square root of 1172793923 is about 34246.0789434353. The cubic root of 1172793923 is about 1054.5663328463.

The spelling of 1172793923 in words is "one billion, one hundred seventy-two million, seven hundred ninety-three thousand, nine hundred twenty-three".