23265705961 has 3 divisors (see below), whose sum is σ = 23265858493. Its totient is φ = 23265553430.

The previous prime is 23265705943. The next prime is 23265705971. The reversal of 23265705961 is 16950756232.

The square root of 23265705961 is 152531.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 23265705961 - 2¹⁷ = 23265574889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23265705971) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 76266 + ... + 228796.

Almost surely, 2^23265705961 is an apocalyptic number.

23265705961 is the 152531-st square number.

23265705961 is the 76266-th centered octagonal number.

It is an amenable number.

23265705961 is a deficient number, since it is larger than the sum of its proper divisors (152532).

23265705961 is an frugal number, since it uses more digits than its factorization.

23265705961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305062 (or 152531 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 23265705961 in words is "twenty-three billion, two hundred sixty-five million, seven hundred five thousand, nine hundred sixty-one".