1111100923 has 2 divisors, whose sum is σ = 1111100924. Its totient is φ = 1111100922.

The previous prime is 1111100843. The next prime is 1111100929. The reversal of 1111100923 is 3290011111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111100923 - 2²⁹ = 574230011 is a prime.

It is a super-2 number, since 2×1111100923² = 2469090522182903858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111100923.

It is not a weakly prime, because it can be changed into another prime (1111100929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555550461 + 555550462.

It is an arithmetic number, because the mean of its divisors is an integer number (555550462).

Almost surely, 2^1111100923 is an apocalyptic number.

1111100923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111100923 is an equidigital number, since it uses as much as digits as its factorization.

1111100923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1111100923 is about 33333.1805113163. The cubic root of 1111100923 is about 1035.7410029586.

The spelling of 1111100923 in words is "one billion, one hundred eleven million, one hundred thousand, nine hundred twenty-three".