1169555923 has 2 divisors, whose sum is σ = 1169555924. Its totient is φ = 1169555922.

The previous prime is 1169555897. The next prime is 1169555969. The reversal of 1169555923 is 3295559611.

It is an a-pointer prime, because the next prime (1169555969) can be obtained adding 1169555923 to its sum of digits (46).

It is a weak prime.

It is an emirp because it is prime and its reverse (3295559611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1169555923 is a prime.

It is a super-2 number, since 2×1169555923² = 2735722114048763858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1169555423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584777961 + 584777962.

It is an arithmetic number, because the mean of its divisors is an integer number (584777962).

Almost surely, 2^1169555923 is an apocalyptic number.

1169555923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1169555923 is an equidigital number, since it uses as much as digits as its factorization.

1169555923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 364500, while the sum is 46.

The square root of 1169555923 is about 34198.7707820033. The cubic root of 1169555923 is about 1053.5949109237.

The spelling of 1169555923 in words is "one billion, one hundred sixty-nine million, five hundred fifty-five thousand, nine hundred twenty-three".