23152643197 has 2 divisors, whose sum is σ = 23152643198. Its totient is φ = 23152643196.

The previous prime is 23152643177. The next prime is 23152643233. The reversal of 23152643197 is 79134625132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18146514681 + 5006128516 = 134709^2 + 70754^2 .

It is a cyclic number.

It is not a de Polignac number, because 23152643197 - 2²³ = 23144254589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23152643177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11576321598 + 11576321599.

It is an arithmetic number, because the mean of its divisors is an integer number (11576321599).

Almost surely, 2^23152643197 is an apocalyptic number.

It is an amenable number.

23152643197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23152643197 is an equidigital number, since it uses as much as digits as its factorization.

23152643197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The spelling of 23152643197 in words is "twenty-three billion, one hundred fifty-two million, six hundred forty-three thousand, one hundred ninety-seven".