23993700201 has 21 divisors (see below), whose sum is σ = 35980365351. Its totient is φ = 15993011952.

The previous prime is 23993700187. The next prime is 23993700229. The reversal of 23993700201 is 10200739932.

The square root of 23993700201 is 154899.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 208658025 + 23785042176 = 14445^2 + 154224^2 .

It is not a de Polignac number, because 23993700201 - 2¹⁵ = 23993667433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23993700281) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 4179405 + ... + 4185141.

It is an arithmetic number, because the mean of its divisors is an integer number (1713350731).

Almost surely, 2^23993700201 is an apocalyptic number.

23993700201 is the 154899-th square number.

23993700201 is the 77450-th centered octagonal number.

It is an amenable number.

23993700201 is a deficient number, since it is larger than the sum of its proper divisors (11986665150).

23993700201 is an frugal number, since it uses more digits than its factorization.

23993700201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11492 (or 5740 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

Multiplying 23993700201 by its sum of digits (36), we get a square (863773207236 = 929394²).

The spelling of 23993700201 in words is "twenty-three billion, nine hundred ninety-three million, seven hundred thousand, two hundred one".