123231303223243 has 2 divisors, whose sum is σ = 123231303223244. Its totient is φ = 123231303223242.

The previous prime is 123231303223241. The next prime is 123231303223247. The reversal of 123231303223243 is 342322303132321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123231303223243 - 2¹ = 123231303223241 is a prime.

Together with 123231303223241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 123231303223199 and 123231303223208.

It is not a weakly prime, because it can be changed into another prime (123231303223241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615651611621 + 61615651611622.

It is an arithmetic number, because the mean of its divisors is an integer number (61615651611622).

Almost surely, 2^{123231303223243} is an apocalyptic number.

123231303223243 is a deficient number, since it is larger than the sum of its proper divisors (1).

123231303223243 is an equidigital number, since it uses as much as digits as its factorization.

123231303223243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 34.

Adding to 123231303223243 its reverse (342322303132321), we get a palindrome (465553606355564).

The spelling of 123231303223243 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, three hundred three million, two hundred twenty-three thousand, two hundred forty-three".