1924139423 has 2 divisors, whose sum is σ = 1924139424. Its totient is φ = 1924139422.

The previous prime is 1924139419. The next prime is 1924139429. The reversal of 1924139423 is 3249314291.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1924139423 - 2² = 1924139419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1924139429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962069711 + 962069712.

It is an arithmetic number, because the mean of its divisors is an integer number (962069712).

Almost surely, 2^1924139423 is an apocalyptic number.

1924139423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1924139423 is an equidigital number, since it uses as much as digits as its factorization.

1924139423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 1924139423 is about 43865.0136555319. The cubic root of 1924139423 is about 1243.7855660882.

The spelling of 1924139423 in words is "one billion, nine hundred twenty-four million, one hundred thirty-nine thousand, four hundred twenty-three".