23540664101 has 2 divisors, whose sum is σ = 23540664102. Its totient is φ = 23540664100.

The previous prime is 23540664083. The next prime is 23540664107. The reversal of 23540664101 is 10146604532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22953765025 + 586899076 = 151505^2 + 24226^2 .

It is a cyclic number.

It is not a de Polignac number, because 23540664101 - 2¹⁰ = 23540663077 is a prime.

It is a super-2 number, since 2×23540664101² (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 (23540664107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770332050 + 11770332051.

It is an arithmetic number, because the mean of its divisors is an integer number (11770332051).

Almost surely, 2^23540664101 is an apocalyptic number.

It is an amenable number.

23540664101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23540664101 is an equidigital number, since it uses as much as digits as its factorization.

23540664101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 23540664101 in words is "twenty-three billion, five hundred forty million, six hundred sixty-four thousand, one hundred one".