123300435515401 has 2 divisors, whose sum is σ = 123300435515402. Its totient is φ = 123300435515400.

The previous prime is 123300435515399. The next prime is 123300435515423. The reversal of 123300435515401 is 104515534003321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121729273543801 + 1571161971600 = 11033099^2 + 1253460^2 .

It is a cyclic number.

It is not a de Polignac number, because 123300435515401 - 2¹ = 123300435515399 is a prime.

It is a super-3 number, since 3×123300435515401³ (a number of 43 digits) contains 333 as substring.

Together with 123300435515399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (123300465515401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650217757700 + 61650217757701.

It is an arithmetic number, because the mean of its divisors is an integer number (61650217757701).

Almost surely, 2^{123300435515401} is an apocalyptic number.

It is an amenable number.

123300435515401 is a deficient number, since it is larger than the sum of its proper divisors (1).

123300435515401 is an equidigital number, since it uses as much as digits as its factorization.

123300435515401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 123300435515401 its reverse (104515534003321), we get a palindrome (227815969518722).

The spelling of 123300435515401 in words is "one hundred twenty-three trillion, three hundred billion, four hundred thirty-five million, five hundred fifteen thousand, four hundred one".