197930735823 has 16 divisors (see below), whose sum is σ = 273768422400. Its totient is φ = 127048787040.

The previous prime is 197930735813. The next prime is 197930735833. The reversal of 197930735823 is 328537039791.

It is an interprime number because it is at equal distance from previous prime (197930735813) and next prime (197930735833).

It is not a de Polignac number, because 197930735823 - 2⁸ = 197930735567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197930735813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3137383 + ... + 3199848.

It is an arithmetic number, because the mean of its divisors is an integer number (17110526400).

Almost surely, 2^197930735823 is an apocalyptic number.

197930735823 is a deficient number, since it is larger than the sum of its proper divisors (75837686577).

197930735823 is a wasteful number, since it uses less digits than its factorization.

197930735823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337622.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 197930735823 in words is "one hundred ninety-seven billion, nine hundred thirty million, seven hundred thirty-five thousand, eight hundred twenty-three".