123400310133 has 16 divisors (see below), whose sum is σ = 166069164800. Its totient is φ = 81499400640.

The previous prime is 123400310057. The next prime is 123400310153. The reversal of 123400310133 is 331013004321.

It is not a de Polignac number, because 123400310133 - 2²¹ = 123398212981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123400310153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2364228 + ... + 2415858.

It is an arithmetic number, because the mean of its divisors is an integer number (10379322800).

Almost surely, 2^123400310133 is an apocalyptic number.

It is an amenable number.

123400310133 is a deficient number, since it is larger than the sum of its proper divisors (42668854667).

123400310133 is a wasteful number, since it uses less digits than its factorization.

123400310133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59052.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123400310133 its reverse (331013004321), we get a palindrome (454413314454).

The spelling of 123400310133 in words is "one hundred twenty-three billion, four hundred million, three hundred ten thousand, one hundred thirty-three".