1912475923 has 2 divisors, whose sum is σ = 1912475924. Its totient is φ = 1912475922.

The previous prime is 1912475909. The next prime is 1912475953. The reversal of 1912475923 is 3295742191.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1912475923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1912475923.

It is not a weakly prime, because it can be changed into another prime (1912475953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956237961 + 956237962.

It is an arithmetic number, because the mean of its divisors is an integer number (956237962).

Almost surely, 2^1912475923 is an apocalyptic number.

1912475923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912475923 is an equidigital number, since it uses as much as digits as its factorization.

1912475923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 1912475923 is about 43731.8639323777. The cubic root of 1912475923 is about 1241.2673313747.

The spelling of 1912475923 in words is "one billion, nine hundred twelve million, four hundred seventy-five thousand, nine hundred twenty-three".