1148819923 has 2 divisors, whose sum is σ = 1148819924. Its totient is φ = 1148819922.

The previous prime is 1148819909. The next prime is 1148819927. The reversal of 1148819923 is 3299188411.

It is a strong prime.

It is an emirp because it is prime and its reverse (3299188411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148819923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1148819927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574409961 + 574409962.

It is an arithmetic number, because the mean of its divisors is an integer number (574409962).

Almost surely, 2^1148819923 is an apocalyptic number.

1148819923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148819923 is an equidigital number, since it uses as much as digits as its factorization.

1148819923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 46.

The square root of 1148819923 is about 33894.2461636190. The cubic root of 1148819923 is about 1047.3310669448.

The spelling of 1148819923 in words is "one billion, one hundred forty-eight million, eight hundred nineteen thousand, nine hundred twenty-three".