123223013 has 4 divisors (see below), whose sum is σ = 123247680. Its totient is φ = 123198348.

The previous prime is 123223007. The next prime is 123223031. The reversal of 123223013 is 310322321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123223013 - 2¹⁶ = 123157477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123222982 and 123223000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123223003) 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, 1895 + ... + 15812.

It is an arithmetic number, because the mean of its divisors is an integer number (30811920).

Almost surely, 2^123223013 is an apocalyptic number.

It is an amenable number.

123223013 is a deficient number, since it is larger than the sum of its proper divisors (24667).

123223013 is an equidigital number, since it uses as much as digits as its factorization.

123223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24666.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123223013 is about 11100.5861556947. The cubic root of 123223013 is about 497.6193671640.

Adding to 123223013 its reverse (310322321), we get a palindrome (433545334).

The spelling of 123223013 in words is "one hundred twenty-three million, two hundred twenty-three thousand, thirteen".