23972101 has 2 divisors, whose sum is σ = 23972102. Its totient is φ = 23972100.

The previous prime is 23972089. The next prime is 23972107. The reversal of 23972101 is 10127932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23755876 + 216225 = 4874^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 23972101 - 2¹¹ = 23970053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23972107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11986050 + 11986051.

It is an arithmetic number, because the mean of its divisors is an integer number (11986051).

Almost surely, 2^23972101 is an apocalyptic number.

It is an amenable number.

23972101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23972101 is an equidigital number, since it uses as much as digits as its factorization.

23972101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 23972101 is about 4896.1312278165. The cubic root of 23972101 is about 288.3381003886.

The spelling of 23972101 in words is "twenty-three million, nine hundred seventy-two thousand, one hundred one".