23611901 has 2 divisors, whose sum is σ = 23611902. Its totient is φ = 23611900.

The previous prime is 23611891. The next prime is 23611919. The reversal of 23611901 is 10911632.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 89401 = 4850^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 23611901 - 2¹⁰ = 23610877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23611201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11805950 + 11805951.

It is an arithmetic number, because the mean of its divisors is an integer number (11805951).

Almost surely, 2^23611901 is an apocalyptic number.

It is an amenable number.

23611901 is a deficient number, since it is larger than the sum of its proper divisors (1).

23611901 is an equidigital number, since it uses as much as digits as its factorization.

23611901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 23611901 is about 4859.2078572541. The cubic root of 23611901 is about 286.8866358961.

The spelling of 23611901 in words is "twenty-three million, six hundred eleven thousand, nine hundred one".