19231343983 has 2 divisors, whose sum is σ = 19231343984. Its totient is φ = 19231343982.

The previous prime is 19231343953. The next prime is 19231344001. The reversal of 19231343983 is 38934313291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19231343983 - 2²⁵ = 19197789551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19231343903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9615671991 + 9615671992.

It is an arithmetic number, because the mean of its divisors is an integer number (9615671992).

Almost surely, 2^19231343983 is an apocalyptic number.

19231343983 is a deficient number, since it is larger than the sum of its proper divisors (1).

19231343983 is an equidigital number, since it uses as much as digits as its factorization.

19231343983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The spelling of 19231343983 in words is "nineteen billion, two hundred thirty-one million, three hundred forty-three thousand, nine hundred eighty-three".