123203211313 has 32 divisors (see below), whose sum is σ = 156960437760. Its totient is φ = 94059947520.

The previous prime is 123203211283. The next prime is 123203211337. The reversal of 123203211313 is 313112302321.

It is not a de Polignac number, because 123203211313 - 2¹³ = 123203203121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123203211113) 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, 4528156 + ... + 4555282.

It is an arithmetic number, because the mean of its divisors is an integer number (4905013680).

Almost surely, 2^123203211313 is an apocalyptic number.

123203211313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123203211313 is a deficient number, since it is larger than the sum of its proper divisors (33757226447).

123203211313 is a wasteful number, since it uses less digits than its factorization.

123203211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28897.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123203211313 its reverse (313112302321), we get a palindrome (436315513634).

The spelling of 123203211313 in words is "one hundred twenty-three billion, two hundred three million, two hundred eleven thousand, three hundred thirteen".