23612261 has 2 divisors, whose sum is σ = 23612262. Its totient is φ = 23612260.

The previous prime is 23612249. The next prime is 23612273. The reversal of 23612261 is 16221632.

It is a balanced prime because it is at equal distance from previous prime (23612249) and next prime (23612273).

It can be written as a sum of positive squares in only one way, i.e., 21669025 + 1943236 = 4655^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 23612261 - 2¹⁴ = 23595877 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 (23611261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11806130 + 11806131.

It is an arithmetic number, because the mean of its divisors is an integer number (11806131).

Almost surely, 2^23612261 is an apocalyptic number.

It is an amenable number.

23612261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23612261 is an equidigital number, since it uses as much as digits as its factorization.

23612261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 23612261 is about 4859.2449001877. The cubic root of 23612261 is about 286.8880938991. Note that the first 3 decimals are identical.

Adding to 23612261 its reverse (16221632), we get a palindrome (39833893).

The spelling of 23612261 in words is "twenty-three million, six hundred twelve thousand, two hundred sixty-one".