23305736761 has 2 divisors, whose sum is σ = 23305736762. Its totient is φ = 23305736760.

The previous prime is 23305736759. The next prime is 23305736801. The reversal of 23305736761 is 16763750332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23300190736 + 5546025 = 152644^2 + 2355^2 .

It is a cyclic number.

It is not a de Polignac number, because 23305736761 - 2¹ = 23305736759 is a prime.

It is a super-2 number, since 2×23305736761² (a number of 22 digits) contains 22 as substring.

Together with 23305736759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23305733761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11652868380 + 11652868381.

It is an arithmetic number, because the mean of its divisors is an integer number (11652868381).

Almost surely, 2^23305736761 is an apocalyptic number.

It is an amenable number.

23305736761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23305736761 is an equidigital number, since it uses as much as digits as its factorization.

23305736761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 43.

The spelling of 23305736761 in words is "twenty-three billion, three hundred five million, seven hundred thirty-six thousand, seven hundred sixty-one".