23690806197 has 4 divisors (see below), whose sum is σ = 31587741600. Its totient is φ = 15793870796.

The previous prime is 23690806171. The next prime is 23690806199. The reversal of 23690806197 is 79160809632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23690806197 - 2¹² = 23690802101 is a prime.

It is a super-2 number, since 2×23690806197² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23690806199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3948467697 + ... + 3948467702.

It is an arithmetic number, because the mean of its divisors is an integer number (7896935400).

Almost surely, 2^23690806197 is an apocalyptic number.

It is an amenable number.

23690806197 is a deficient number, since it is larger than the sum of its proper divisors (7896935403).

23690806197 is an equidigital number, since it uses as much as digits as its factorization.

23690806197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896935402.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 23690806197 in words is "twenty-three billion, six hundred ninety million, eight hundred six thousand, one hundred ninety-seven".