23197770297 has 36 divisors (see below), whose sum is σ = 36337121964. Its totient is φ = 14254531200.

The previous prime is 23197770221. The next prime is 23197770317. The reversal of 23197770297 is 79207779132.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 88906041 + 23108864256 = 9429^2 + 152016^2 .

It is not a de Polignac number, because 23197770297 - 2²⁷ = 23063552569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23197770097) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1055343 + ... + 1077099.

It is an arithmetic number, because the mean of its divisors is an integer number (1009364499).

Almost surely, 2^23197770297 is an apocalyptic number.

It is an amenable number.

23197770297 is a deficient number, since it is larger than the sum of its proper divisors (13139351667).

23197770297 is a wasteful number, since it uses less digits than its factorization.

23197770297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22490 (or 22474 counting only the distinct ones).

The product of its (nonzero) digits is 2333772, while the sum is 54.

The spelling of 23197770297 in words is "twenty-three billion, one hundred ninety-seven million, seven hundred seventy thousand, two hundred ninety-seven".