23212312043 has 2 divisors, whose sum is σ = 23212312044. Its totient is φ = 23212312042.

The previous prime is 23212312033. The next prime is 23212312069. The reversal of 23212312043 is 34021321232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23212312043 - 2¹⁰ = 23212311019 is a prime.

It is a super-2 number, since 2×23212312043² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23212312033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606156021 + 11606156022.

It is an arithmetic number, because the mean of its divisors is an integer number (11606156022).

Almost surely, 2^23212312043 is an apocalyptic number.

23212312043 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212312043 is an equidigital number, since it uses as much as digits as its factorization.

23212312043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23212312043 its reverse (34021321232), we get a palindrome (57233633275).

The spelling of 23212312043 in words is "twenty-three billion, two hundred twelve million, three hundred twelve thousand, forty-three".