123353200520423 has 2 divisors, whose sum is σ = 123353200520424. Its totient is φ = 123353200520422.

The previous prime is 123353200520413. The next prime is 123353200520437. The reversal of 123353200520423 is 324025002353321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123353200520423 - 2¹² = 123353200516327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123353200520413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61676600260211 + 61676600260212.

It is an arithmetic number, because the mean of its divisors is an integer number (61676600260212).

Almost surely, 2^{123353200520423} is an apocalyptic number.

123353200520423 is a deficient number, since it is larger than the sum of its proper divisors (1).

123353200520423 is an equidigital number, since it uses as much as digits as its factorization.

123353200520423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 123353200520423 its reverse (324025002353321), we get a palindrome (447378202873744).

The spelling of 123353200520423 in words is "one hundred twenty-three trillion, three hundred fifty-three billion, two hundred million, five hundred twenty thousand, four hundred twenty-three".