19523000983 has 2 divisors, whose sum is σ = 19523000984. Its totient is φ = 19523000982.

The previous prime is 19523000969. The next prime is 19523001007. The reversal of 19523000983 is 38900032591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19523000983 - 2²⁹ = 18986130071 is a prime.

It is a super-2 number, since 2×19523000983² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19523000933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9761500491 + 9761500492.

It is an arithmetic number, because the mean of its divisors is an integer number (9761500492).

Almost surely, 2^19523000983 is an apocalyptic number.

19523000983 is a deficient number, since it is larger than the sum of its proper divisors (1).

19523000983 is an equidigital number, since it uses as much as digits as its factorization.

19523000983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 19523000983 in words is "nineteen billion, five hundred twenty-three million, nine hundred eighty-three", and thus it is an aban number.