123304311213 has 32 divisors (see below), whose sum is σ = 167468421120. Its totient is φ = 80685953280.

The previous prime is 123304311199. The next prime is 123304311227. The reversal of 123304311213 is 312113403321.

It is an interprime number because it is at equal distance from previous prime (123304311199) and next prime (123304311227).

It is not a de Polignac number, because 123304311213 - 2⁴ = 123304311197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123304311283) 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, 31703973 + ... + 31707861.

It is an arithmetic number, because the mean of its divisors is an integer number (5233388160).

Almost surely, 2^123304311213 is an apocalyptic number.

It is an amenable number.

123304311213 is a deficient number, since it is larger than the sum of its proper divisors (44164109907).

123304311213 is a wasteful number, since it uses less digits than its factorization.

123304311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123304311213 its reverse (312113403321), we get a palindrome (435417714534).

The spelling of 123304311213 in words is "one hundred twenty-three billion, three hundred four million, three hundred eleven thousand, two hundred thirteen".