23123241329 has 2 divisors, whose sum is σ = 23123241330. Its totient is φ = 23123241328.

The previous prime is 23123241293. The next prime is 23123241347. The reversal of 23123241329 is 92314232132.

Together with previous prime (23123241293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16142973025 + 6980268304 = 127055^2 + 83548^2 .

It is a cyclic number.

It is not a de Polignac number, because 23123241329 - 2²⁸ = 22854805873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23123241295 and 23123241304.

It is not a weakly prime, because it can be changed into another prime (23123241359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561620664 + 11561620665.

It is an arithmetic number, because the mean of its divisors is an integer number (11561620665).

Almost surely, 2^23123241329 is an apocalyptic number.

It is an amenable number.

23123241329 is a deficient number, since it is larger than the sum of its proper divisors (1).

23123241329 is an equidigital number, since it uses as much as digits as its factorization.

23123241329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The spelling of 23123241329 in words is "twenty-three billion, one hundred twenty-three million, two hundred forty-one thousand, three hundred twenty-nine".