123344303231 has 2 divisors, whose sum is σ = 123344303232. Its totient is φ = 123344303230.

The previous prime is 123344303209. The next prime is 123344303287. The reversal of 123344303231 is 132303443321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123344303231 - 2⁶ = 123344303167 is a prime.

It is a super-2 number, since 2×123344303231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123344303194 and 123344303203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123344303431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61672151615 + 61672151616.

It is an arithmetic number, because the mean of its divisors is an integer number (61672151616).

Almost surely, 2^123344303231 is an apocalyptic number.

123344303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

123344303231 is an equidigital number, since it uses as much as digits as its factorization.

123344303231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 123344303231 its reverse (132303443321), we get a palindrome (255647746552).

The spelling of 123344303231 in words is "one hundred twenty-three billion, three hundred forty-four million, three hundred three thousand, two hundred thirty-one".