3123424243213 has 4 divisors (see below), whose sum is σ = 3144109172128. Its totient is φ = 3102739314300.

The previous prime is 3123424243193. The next prime is 3123424243249.

3123424243213 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2^k-3123424243213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123484243213) 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, 10342464231 + ... + 10342464532.

It is an arithmetic number, because the mean of its divisors is an integer number (786027293032).

Almost surely, 2^{3123424243213} is an apocalyptic number.

It is an amenable number.

3123424243213 is a deficient number, since it is larger than the sum of its proper divisors (20684928915).

3123424243213 is a wasteful number, since it uses less digits than its factorization.

3123424243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20684928914.

The product of its digits is 82944, while the sum is 34.

The spelling of 3123424243213 in words is "three trillion, one hundred twenty-three billion, four hundred twenty-four million, two hundred forty-three thousand, two hundred thirteen".