1117637923 has 2 divisors, whose sum is σ = 1117637924. Its totient is φ = 1117637922.

The previous prime is 1117637903. The next prime is 1117637951. The reversal of 1117637923 is 3297367111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117637923 - 2²⁵ = 1084083491 is a prime.

It is a super-2 number, since 2×1117637923² = 2498229053855507858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1117637903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558818961 + 558818962.

It is an arithmetic number, because the mean of its divisors is an integer number (558818962).

Almost surely, 2^1117637923 is an apocalyptic number.

1117637923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117637923 is an equidigital number, since it uses as much as digits as its factorization.

1117637923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 40.

The square root of 1117637923 is about 33431.0921598443. The cubic root of 1117637923 is about 1037.7682427904.

The spelling of 1117637923 in words is "one billion, one hundred seventeen million, six hundred thirty-seven thousand, nine hundred twenty-three".