123213310113133 has 4 divisors (see below), whose sum is σ = 123213763220508. Its totient is φ = 123212857005760.

The previous prime is 123213310113121. The next prime is 123213310113139. The reversal of 123213310113133 is 331311013312321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70281093757924 + 52932216355209 = 8383382^2 + 7275453^2 .

It is a cyclic number.

It is not a de Polignac number, because 123213310113133 - 2²¹ = 123213308015981 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 (123213310113139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226145548 + ... + 226689733.

It is an arithmetic number, because the mean of its divisors is an integer number (30803440805127).

Almost surely, 2^{123213310113133} is an apocalyptic number.

It is an amenable number.

123213310113133 is a deficient number, since it is larger than the sum of its proper divisors (453107375).

123213310113133 is an equidigital number, since it uses as much as digits as its factorization.

123213310113133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453107374.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 123213310113133 its reverse (331311013312321), we get a palindrome (454524323425454).

The spelling of 123213310113133 in words is "one hundred twenty-three trillion, two hundred thirteen billion, three hundred ten million, one hundred thirteen thousand, one hundred thirty-three".