23816623261 has 2 divisors, whose sum is σ = 23816623262. Its totient is φ = 23816623260.

The previous prime is 23816623231. The next prime is 23816623319. The reversal of 23816623261 is 16232661832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22449028900 + 1367594361 = 149830^2 + 36981^2 .

It is a cyclic number.

It is not a de Polignac number, because 23816623261 - 2¹⁹ = 23816098973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23816623231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11908311630 + 11908311631.

It is an arithmetic number, because the mean of its divisors is an integer number (11908311631).

Almost surely, 2^23816623261 is an apocalyptic number.

It is an amenable number.

23816623261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23816623261 is an equidigital number, since it uses as much as digits as its factorization.

23816623261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The spelling of 23816623261 in words is "twenty-three billion, eight hundred sixteen million, six hundred twenty-three thousand, two hundred sixty-one".