223123012013 has 16 divisors (see below), whose sum is σ = 245109196800. Its totient is φ = 201425177280.

The previous prime is 223123012009. The next prime is 223123012031. The reversal of 223123012013 is 310210321322.

It is a cyclic number.

It is not a de Polignac number, because 223123012013 - 2² = 223123012009 is a prime.

It is a super-3 number, since 3×223123012013³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223123012313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849143 + ... + 1080411.

It is an arithmetic number, because the mean of its divisors is an integer number (15319324800).

Almost surely, 2^223123012013 is an apocalyptic number.

It is an amenable number.

223123012013 is a deficient number, since it is larger than the sum of its proper divisors (21986184787).

223123012013 is a wasteful number, since it uses less digits than its factorization.

223123012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231892.

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

Adding to 223123012013 its reverse (310210321322), we get a palindrome (533333333335).

The spelling of 223123012013 in words is "two hundred twenty-three billion, one hundred twenty-three million, twelve thousand, thirteen".