23612577261 has 32 divisors (see below), whose sum is σ = 41028196608. Its totient is φ = 11722337280.

The previous prime is 23612577223. The next prime is 23612577311. The reversal of 23612577261 is 16277521632.

It is not a de Polignac number, because 23612577261 - 2¹¹ = 23612575213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23612577061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2539270 + ... + 2548551.

It is an arithmetic number, because the mean of its divisors is an integer number (1282131144).

Almost surely, 2^23612577261 is an apocalyptic number.

23612577261 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23612577261 is a deficient number, since it is larger than the sum of its proper divisors (17415619347).

23612577261 is a wasteful number, since it uses less digits than its factorization.

23612577261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087861.

The product of its digits is 211680, while the sum is 42.

The spelling of 23612577261 in words is "twenty-three billion, six hundred twelve million, five hundred seventy-seven thousand, two hundred sixty-one".