12423211013 has 4 divisors (see below), whose sum is σ = 12598185888. Its totient is φ = 12248236140.

The previous prime is 12423210967. The next prime is 12423211019. The reversal of 12423211013 is 31011232421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31011232421 = 13 ⋅2385479417.

It is a cyclic number.

It is not a de Polignac number, because 12423211013 - 2¹⁶ = 12423145477 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 (12423211019) 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, 87487331 + ... + 87487472.

It is an arithmetic number, because the mean of its divisors is an integer number (3149546472).

Almost surely, 2^12423211013 is an apocalyptic number.

It is an amenable number.

12423211013 is a deficient number, since it is larger than the sum of its proper divisors (174974875).

12423211013 is an equidigital number, since it uses as much as digits as its factorization.

12423211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174974874.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12423211013 its reverse (31011232421), we get a palindrome (43434443434).

The spelling of 12423211013 in words is "twelve billion, four hundred twenty-three million, two hundred eleven thousand, thirteen".