197653623 has 8 divisors (see below), whose sum is σ = 264217200. Its totient is φ = 131429568.

The previous prime is 197653607. The next prime is 197653633. The reversal of 197653623 is 326356791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197653623 - 2⁴ = 197653607 is a prime.

It is a super-2 number, since 2×197653623² = 78133909370052258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197653633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83518 + ... + 85851.

It is an arithmetic number, because the mean of its divisors is an integer number (33027150).

Almost surely, 2^197653623 is an apocalyptic number.

197653623 is a deficient number, since it is larger than the sum of its proper divisors (66563577).

197653623 is a wasteful number, since it uses less digits than its factorization.

197653623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169761.

The product of its digits is 204120, while the sum is 42.

The square root of 197653623 is about 14058.9339211762. The cubic root of 197653623 is about 582.5075961605.

The spelling of 197653623 in words is "one hundred ninety-seven million, six hundred fifty-three thousand, six hundred twenty-three".