23143120141 has 2 divisors, whose sum is σ = 23143120142. Its totient is φ = 23143120140.

The previous prime is 23143120129. The next prime is 23143120157. The reversal of 23143120141 is 14102134132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23093361225 + 49758916 = 151965^2 + 7054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23143120141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23143120111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571560070 + 11571560071.

It is an arithmetic number, because the mean of its divisors is an integer number (11571560071).

Almost surely, 2^23143120141 is an apocalyptic number.

It is an amenable number.

23143120141 is a deficient number, since it is larger than the sum of its proper divisors (1).

23143120141 is an equidigital number, since it uses as much as digits as its factorization.

23143120141 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 22.

Adding to 23143120141 its reverse (14102134132), we get a palindrome (37245254273).

The spelling of 23143120141 in words is "twenty-three billion, one hundred forty-three million, one hundred twenty thousand, one hundred forty-one".