12265442423 has 16 divisors (see below), whose sum is σ = 13641906432. Its totient is φ = 10951200000.

The previous prime is 12265442417. The next prime is 12265442429. The reversal of 12265442423 is 32424456221.

It is an interprime number because it is at equal distance from previous prime (12265442417) and next prime (12265442429).

It is not a de Polignac number, because 12265442423 - 2⁶ = 12265442359 is a prime.

It is a super-2 number, since 2×12265442423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265442429) 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, 936923 + ... + 949923.

It is an arithmetic number, because the mean of its divisors is an integer number (852619152).

Almost surely, 2^12265442423 is an apocalyptic number.

12265442423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12265442423 is a deficient number, since it is larger than the sum of its proper divisors (1376464009).

12265442423 is a wasteful number, since it uses less digits than its factorization.

12265442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15386.

The product of its digits is 92160, while the sum is 35.

Adding to 12265442423 its reverse (32424456221), we get a palindrome (44689898644).

The spelling of 12265442423 in words is "twelve billion, two hundred sixty-five million, four hundred forty-two thousand, four hundred twenty-three".