23750220197 has 4 divisors (see below), whose sum is σ = 25909331136. Its totient is φ = 21591109260.

The previous prime is 23750220163. The next prime is 23750220203. The reversal of 23750220197 is 79102205732.

It is a happy number.

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 23750220197 - 2¹⁶ = 23750154661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23750220197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23750220097) 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, 1079555453 + ... + 1079555474.

It is an arithmetic number, because the mean of its divisors is an integer number (6477332784).

Almost surely, 2^23750220197 is an apocalyptic number.

It is an amenable number.

23750220197 is a deficient number, since it is larger than the sum of its proper divisors (2159110939).

23750220197 is a wasteful number, since it uses less digits than its factorization.

23750220197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159110938.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 23750220197 in words is "twenty-three billion, seven hundred fifty million, two hundred twenty thousand, one hundred ninety-seven".