1912229623 has 2 divisors, whose sum is σ = 1912229624. Its totient is φ = 1912229622.

The previous prime is 1912229609. The next prime is 1912229629. The reversal of 1912229623 is 3269222191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1912229623 - 2²⁵ = 1878675191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912229629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956114811 + 956114812.

It is an arithmetic number, because the mean of its divisors is an integer number (956114812).

Almost surely, 2^1912229623 is an apocalyptic number.

1912229623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912229623 is an equidigital number, since it uses as much as digits as its factorization.

1912229623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 1912229623 is about 43729.0478172118. The cubic root of 1912229623 is about 1241.2140431624.

The spelling of 1912229623 in words is "one billion, nine hundred twelve million, two hundred twenty-nine thousand, six hundred twenty-three".