12273523430 has 96 divisors (see below), whose sum is σ = 26480895840. Its totient is φ = 4081297920.

The previous prime is 12273523357. The next prime is 12273523433. The reversal of 12273523430 is 3432537221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273523433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3594404 + ... + 3597816.

It is an arithmetic number, because the mean of its divisors is an integer number (275842665).

Almost surely, 2^12273523430 is an apocalyptic number.

12273523430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12273523430 is an abundant number, since it is smaller than the sum of its proper divisors (14207372410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12273523430 is a wasteful number, since it uses less digits than its factorization.

12273523430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 12273523430 in words is "twelve billion, two hundred seventy-three million, five hundred twenty-three thousand, four hundred thirty".