123354225435533 has 2 divisors, whose sum is σ = 123354225435534. Its totient is φ = 123354225435532.

The previous prime is 123354225435509. The next prime is 123354225435587. The reversal of 123354225435533 is 335534522453321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108679832701444 + 14674392734089 = 10424962^2 + 3830717^2 .

It is a cyclic number.

It is not a de Polignac number, because 123354225435533 - 2²⁶ = 123354158326669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123354225435503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61677112717766 + 61677112717767.

It is an arithmetic number, because the mean of its divisors is an integer number (61677112717767).

Almost surely, 2^{123354225435533} is an apocalyptic number.

It is an amenable number.

123354225435533 is a deficient number, since it is larger than the sum of its proper divisors (1).

123354225435533 is an equidigital number, since it uses as much as digits as its factorization.

123354225435533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440000, while the sum is 50.

Adding to 123354225435533 its reverse (335534522453321), we get a palindrome (458888747888854).

The spelling of 123354225435533 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred twenty-five million, four hundred thirty-five thousand, five hundred thirty-three".