1149192823 has 2 divisors, whose sum is σ = 1149192824. Its totient is φ = 1149192822.

The previous prime is 1149192797. The next prime is 1149192833. The reversal of 1149192823 is 3282919411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1149192823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1149192833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574596411 + 574596412.

It is an arithmetic number, because the mean of its divisors is an integer number (574596412).

Almost surely, 2^1149192823 is an apocalyptic number.

1149192823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149192823 is an equidigital number, since it uses as much as digits as its factorization.

1149192823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The square root of 1149192823 is about 33899.7466509707. The cubic root of 1149192823 is about 1047.4443737964. Note that the first 3 decimals are identical.

The spelling of 1149192823 in words is "one billion, one hundred forty-nine million, one hundred ninety-two thousand, eight hundred twenty-three".