23772101 has 2 divisors, whose sum is σ = 23772102. Its totient is φ = 23772100.

The previous prime is 23772043. The next prime is 23772109. The reversal of 23772101 is 10127732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23049601 + 722500 = 4801^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 23772101 - 2¹⁴ = 23755717 is a prime.

It is a super-2 number, since 2×23772101² = 1130225571908402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23772109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11886050 + 11886051.

It is an arithmetic number, because the mean of its divisors is an integer number (11886051).

Almost surely, 2^23772101 is an apocalyptic number.

It is an amenable number.

23772101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23772101 is an equidigital number, since it uses as much as digits as its factorization.

23772101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 23772101 is about 4875.6641598863. The cubic root of 23772101 is about 287.5339886723.

Adding to 23772101 its reverse (10127732), we get a palindrome (33899833).

The spelling of 23772101 in words is "twenty-three million, seven hundred seventy-two thousand, one hundred one".