12423613261 has 4 divisors (see below), whose sum is σ = 12442935232. Its totient is φ = 12404291292.

The previous prime is 12423613219. The next prime is 12423613283. The reversal of 12423613261 is 16231632421.

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 12423613261 - 2¹⁷ = 12423482189 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 (12423613291) 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, 9660021 + ... + 9661306.

It is an arithmetic number, because the mean of its divisors is an integer number (3110733808).

Almost surely, 2^12423613261 is an apocalyptic number.

It is an amenable number.

12423613261 is a deficient number, since it is larger than the sum of its proper divisors (19321971).

12423613261 is an equidigital number, since it uses as much as digits as its factorization.

12423613261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19321970.

The product of its digits is 10368, while the sum is 31.

The spelling of 12423613261 in words is "twelve billion, four hundred twenty-three million, six hundred thirteen thousand, two hundred sixty-one".