197926829123 has 2 divisors, whose sum is σ = 197926829124. Its totient is φ = 197926829122.

The previous prime is 197926829077. The next prime is 197926829159. The reversal of 197926829123 is 321928629791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197926829123 - 2⁸ = 197926828867 is a prime.

It is not a weakly prime, because it can be changed into another prime (197926829183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98963414561 + 98963414562.

It is an arithmetic number, because the mean of its divisors is an integer number (98963414562).

Almost surely, 2^197926829123 is an apocalyptic number.

197926829123 is a deficient number, since it is larger than the sum of its proper divisors (1).

197926829123 is an equidigital number, since it uses as much as digits as its factorization.

197926829123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 59.

The spelling of 197926829123 in words is "one hundred ninety-seven billion, nine hundred twenty-six million, eight hundred twenty-nine thousand, one hundred twenty-three".