23454344261 has 2 divisors, whose sum is σ = 23454344262. Its totient is φ = 23454344260.

The previous prime is 23454344203. The next prime is 23454344269. The reversal of 23454344261 is 16244345432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16070379361 + 7383964900 = 126769^2 + 85930^2 .

It is a cyclic number.

It is not a de Polignac number, because 23454344261 - 2⁶ = 23454344197 is a prime.

It is a super-2 number, since 2×23454344261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23454344269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727172130 + 11727172131.

It is an arithmetic number, because the mean of its divisors is an integer number (11727172131).

Almost surely, 2^23454344261 is an apocalyptic number.

It is an amenable number.

23454344261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454344261 is an equidigital number, since it uses as much as digits as its factorization.

23454344261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 38.

Adding to 23454344261 its reverse (16244345432), we get a palindrome (39698689693).

The spelling of 23454344261 in words is "twenty-three billion, four hundred fifty-four million, three hundred forty-four thousand, two hundred sixty-one".