23930261 has 2 divisors, whose sum is σ = 23930262. Its totient is φ = 23930260.

The previous prime is 23930243. The next prime is 23930273. The reversal of 23930261 is 16203932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 649636 = 4825^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 23930261 - 2²² = 19735957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23930261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23930461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11965130 + 11965131.

It is an arithmetic number, because the mean of its divisors is an integer number (11965131).

Almost surely, 2^23930261 is an apocalyptic number.

It is an amenable number.

23930261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23930261 is an equidigital number, since it uses as much as digits as its factorization.

23930261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 23930261 is about 4891.8566005148. The cubic root of 23930261 is about 288.1702512201.

The spelling of 23930261 in words is "twenty-three million, nine hundred thirty thousand, two hundred sixty-one".