23134643123 has 2 divisors, whose sum is σ = 23134643124. Its totient is φ = 23134643122.

The previous prime is 23134643113. The next prime is 23134643159. The reversal of 23134643123 is 32134643132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23134643123 - 2¹² = 23134639027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23134643123.

It is not a weakly prime, because it can be changed into another prime (23134643113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567321561 + 11567321562.

It is an arithmetic number, because the mean of its divisors is an integer number (11567321562).

Almost surely, 2^23134643123 is an apocalyptic number.

23134643123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23134643123 is an equidigital number, since it uses as much as digits as its factorization.

23134643123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 32.

Subtracting 23134643123 from its reverse (32134643132), we obtain a palindrome (9000000009).

The spelling of 23134643123 in words is "twenty-three billion, one hundred thirty-four million, six hundred forty-three thousand, one hundred twenty-three".