123321253413 has 32 divisors (see below), whose sum is σ = 169744723200. Its totient is φ = 79580054016.

The previous prime is 123321253397. The next prime is 123321253427. The reversal of 123321253413 is 314352123321.

It is not a de Polignac number, because 123321253413 - 2⁴ = 123321253397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321253313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17656720 + ... + 17663702.

It is an arithmetic number, because the mean of its divisors is an integer number (5304522600).

Almost surely, 2^123321253413 is an apocalyptic number.

It is an amenable number.

123321253413 is a deficient number, since it is larger than the sum of its proper divisors (46423469787).

123321253413 is a wasteful number, since it uses less digits than its factorization.

123321253413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821.

The product of its digits is 12960, while the sum is 30.

Adding to 123321253413 its reverse (314352123321), we get a palindrome (437673376734).

The spelling of 123321253413 in words is "one hundred twenty-three billion, three hundred twenty-one million, two hundred fifty-three thousand, four hundred thirteen".