23214515143 has 2 divisors, whose sum is σ = 23214515144. Its totient is φ = 23214515142.

The previous prime is 23214515141. The next prime is 23214515171. The reversal of 23214515143 is 34151541232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23214515143 - 2¹ = 23214515141 is a prime.

Together with 23214515141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23214515141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11607257571 + 11607257572.

It is an arithmetic number, because the mean of its divisors is an integer number (11607257572).

Almost surely, 2^23214515143 is an apocalyptic number.

23214515143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23214515143 is an equidigital number, since it uses as much as digits as its factorization.

23214515143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The spelling of 23214515143 in words is "twenty-three billion, two hundred fourteen million, five hundred fifteen thousand, one hundred forty-three".