23423614661 has 2 divisors, whose sum is σ = 23423614662. Its totient is φ = 23423614660.

The previous prime is 23423614651. The next prime is 23423614673. The reversal of 23423614661 is 16641632432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18925229761 + 4498384900 = 137569^2 + 67070^2 .

It is a cyclic number.

It is not a de Polignac number, because 23423614661 - 2⁶ = 23423614597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23423614651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711807330 + 11711807331.

It is an arithmetic number, because the mean of its divisors is an integer number (11711807331).

Almost surely, 2^23423614661 is an apocalyptic number.

It is an amenable number.

23423614661 is a deficient number, since it is larger than the sum of its proper divisors (1).

23423614661 is an equidigital number, since it uses as much as digits as its factorization.

23423614661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 38.

The spelling of 23423614661 in words is "twenty-three billion, four hundred twenty-three million, six hundred fourteen thousand, six hundred sixty-one".