23213343143 has 2 divisors, whose sum is σ = 23213343144. Its totient is φ = 23213343142.

The previous prime is 23213343071. The next prime is 23213343227. The reversal of 23213343143 is 34134331232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23213343143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23213349143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606671571 + 11606671572.

It is an arithmetic number, because the mean of its divisors is an integer number (11606671572).

Almost surely, 2^23213343143 is an apocalyptic number.

23213343143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213343143 is an equidigital number, since it uses as much as digits as its factorization.

23213343143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 29.

Adding to 23213343143 its reverse (34134331232), we get a palindrome (57347674375).

The spelling of 23213343143 in words is "twenty-three billion, two hundred thirteen million, three hundred forty-three thousand, one hundred forty-three".