23651060305261 has 2 divisors, whose sum is σ = 23651060305262. Its totient is φ = 23651060305260.

The previous prime is 23651060305207. The next prime is 23651060305267. The reversal of 23651060305261 is 16250306015632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16825329293161 + 6825731012100 = 4101869^2 + 2612610^2 .

It is a cyclic number.

It is not a de Polignac number, because 23651060305261 - 2³⁷ = 23513621351789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23651060305267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11825530152630 + 11825530152631.

It is an arithmetic number, because the mean of its divisors is an integer number (11825530152631).

Almost surely, 2^{23651060305261} is an apocalyptic number.

It is an amenable number.

23651060305261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23651060305261 is an equidigital number, since it uses as much as digits as its factorization.

23651060305261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 23651060305261 in words is "twenty-three trillion, six hundred fifty-one billion, sixty million, three hundred five thousand, two hundred sixty-one".