123413213 has 24 divisors (see below), whose sum is σ = 158233824. Its totient is φ = 95172000.

The previous prime is 123413209. The next prime is 123413219. The reversal of 123413213 is 312314321.

It is not a de Polignac number, because 123413213 - 2² = 123413209 is a prime.

It is a super-2 number, since 2×123413213² = 30461642285966738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123413219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53306 + ... + 55572.

It is an arithmetic number, because the mean of its divisors is an integer number (6593076).

Almost surely, 2^123413213 is an apocalyptic number.

It is an amenable number.

123413213 is a deficient number, since it is larger than the sum of its proper divisors (34820611).

123413213 is a wasteful number, since it uses less digits than its factorization.

123413213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2386 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 123413213 is about 11109.1499674818. The cubic root of 123413213 is about 497.8752678157.

Adding to 123413213 its reverse (312314321), we get a palindrome (435727534).

The spelling of 123413213 in words is "one hundred twenty-three million, four hundred thirteen thousand, two hundred thirteen".