23455344261 has 16 divisors (see below), whose sum is σ = 33123320064. Its totient is φ = 14712681984.

The previous prime is 23455344191. The next prime is 23455344307. The reversal of 23455344261 is 16244355432.

It is not a de Polignac number, because 23455344261 - 2¹⁴ = 23455327877 is a prime.

It is a super-2 number, since 2×23455344261² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23455344761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108100 + ... + 242066.

It is an arithmetic number, because the mean of its divisors is an integer number (2070207504).

Almost surely, 2^23455344261 is an apocalyptic number.

It is an amenable number.

23455344261 is a deficient number, since it is larger than the sum of its proper divisors (9667975803).

23455344261 is a wasteful number, since it uses less digits than its factorization.

23455344261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137420.

The product of its digits is 345600, while the sum is 39.

Adding to 23455344261 its reverse (16244355432), we get a palindrome (39699699693).

The spelling of 23455344261 in words is "twenty-three billion, four hundred fifty-five million, three hundred forty-four thousand, two hundred sixty-one".