198792986023 has 2 divisors, whose sum is σ = 198792986024. Its totient is φ = 198792986022.

The previous prime is 198792986017. The next prime is 198792986033. The reversal of 198792986023 is 320689297891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198792986023 - 2⁹ = 198792985511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198792986033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99396493011 + 99396493012.

It is an arithmetic number, because the mean of its divisors is an integer number (99396493012).

Almost surely, 2^198792986023 is an apocalyptic number.

198792986023 is a deficient number, since it is larger than the sum of its proper divisors (1).

198792986023 is an equidigital number, since it uses as much as digits as its factorization.

198792986023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 198792986023 in words is "one hundred ninety-eight billion, seven hundred ninety-two million, nine hundred eighty-six thousand, twenty-three".