1173632923 has 2 divisors, whose sum is σ = 1173632924. Its totient is φ = 1173632922.

The previous prime is 1173632921. The next prime is 1173632939. The reversal of 1173632923 is 3292363711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1173632923 - 2¹ = 1173632921 is a prime.

Together with 1173632921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1173632921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586816461 + 586816462.

It is an arithmetic number, because the mean of its divisors is an integer number (586816462).

Almost surely, 2^1173632923 is an apocalyptic number.

1173632923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173632923 is an equidigital number, since it uses as much as digits as its factorization.

1173632923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 1173632923 is about 34258.3263309812. The cubic root of 1173632923 is about 1054.8177467942.

The spelling of 1173632923 in words is "one billion, one hundred seventy-three million, six hundred thirty-two thousand, nine hundred twenty-three".