123000311550433 has 2 divisors, whose sum is σ = 123000311550434. Its totient is φ = 123000311550432.

The previous prime is 123000311550377. The next prime is 123000311550481. The reversal of 123000311550433 is 334055113000321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64457261846784 + 58543049703649 = 8028528^2 + 7651343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123000311550433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123000311550395 and 123000311550404.

It is not a weakly prime, because it can be changed into another prime (123000311553433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500155775216 + 61500155775217.

It is an arithmetic number, because the mean of its divisors is an integer number (61500155775217).

Almost surely, 2^{123000311550433} is an apocalyptic number.

It is an amenable number.

123000311550433 is a deficient number, since it is larger than the sum of its proper divisors (1).

123000311550433 is an equidigital number, since it uses as much as digits as its factorization.

123000311550433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 123000311550433 its reverse (334055113000321), we get a palindrome (457055424550754).

The spelling of 123000311550433 in words is "one hundred twenty-three trillion, three hundred eleven million, five hundred fifty thousand, four hundred thirty-three".