198832281623 has 2 divisors, whose sum is σ = 198832281624. Its totient is φ = 198832281622.

The previous prime is 198832281581. The next prime is 198832281629. The reversal of 198832281623 is 326182238891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198832281623 - 2²² = 198828087319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198832281629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99416140811 + 99416140812.

It is an arithmetic number, because the mean of its divisors is an integer number (99416140812).

Almost surely, 2^198832281623 is an apocalyptic number.

198832281623 is a deficient number, since it is larger than the sum of its proper divisors (1).

198832281623 is an equidigital number, since it uses as much as digits as its factorization.

198832281623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 53.

The spelling of 198832281623 in words is "one hundred ninety-eight billion, eight hundred thirty-two million, two hundred eighty-one thousand, six hundred twenty-three".