23436543941 has 2 divisors, whose sum is σ = 23436543942. Its totient is φ = 23436543940.

The previous prime is 23436543919. The next prime is 23436543953. The reversal of 23436543941 is 14934563432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14507238916 + 8929305025 = 120446^2 + 94495^2 .

It is a cyclic number.

It is not a de Polignac number, because 23436543941 - 2²⁶ = 23369435077 is a prime.

It is a super-2 number, since 2×23436543941² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23436543892 and 23436543901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23436543901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11718271970 + 11718271971.

It is an arithmetic number, because the mean of its divisors is an integer number (11718271971).

Almost surely, 2^23436543941 is an apocalyptic number.

It is an amenable number.

23436543941 is a deficient number, since it is larger than the sum of its proper divisors (1).

23436543941 is an equidigital number, since it uses as much as digits as its factorization.

23436543941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 44.

The spelling of 23436543941 in words is "twenty-three billion, four hundred thirty-six million, five hundred forty-three thousand, nine hundred forty-one".