23203212143 has 2 divisors, whose sum is σ = 23203212144. Its totient is φ = 23203212142.

The previous prime is 23203212031. The next prime is 23203212157. The reversal of 23203212143 is 34121230232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23203212143 - 2⁸ = 23203211887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23203242143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601606071 + 11601606072.

It is an arithmetic number, because the mean of its divisors is an integer number (11601606072).

Almost surely, 2^23203212143 is an apocalyptic number.

23203212143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203212143 is an equidigital number, since it uses as much as digits as its factorization.

23203212143 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 23203212143 its reverse (34121230232), we get a palindrome (57324442375).

The spelling of 23203212143 in words is "twenty-three billion, two hundred three million, two hundred twelve thousand, one hundred forty-three".