23212001243 has 2 divisors, whose sum is σ = 23212001244. Its totient is φ = 23212001242.

The previous prime is 23212001227. The next prime is 23212001257. The reversal of 23212001243 is 34210021232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23212001243 - 2⁴ = 23212001227 is a prime.

It is not a weakly prime, because it can be changed into another prime (23212001203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606000621 + 11606000622.

It is an arithmetic number, because the mean of its divisors is an integer number (11606000622).

Almost surely, 2^23212001243 is an apocalyptic number.

23212001243 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212001243 is an equidigital number, since it uses as much as digits as its factorization.

23212001243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23212001243 its reverse (34210021232), we get a palindrome (57422022475).

The spelling of 23212001243 in words is "twenty-three billion, two hundred twelve million, one thousand, two hundred forty-three".