12443502253 has 8 divisors (see below), whose sum is σ = 15315079808. Its totient is φ = 9845408304.

The previous prime is 12443502241. The next prime is 12443502271. The reversal of 12443502253 is 35220534421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12443502253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443502283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68370801 + ... + 68370982.

It is an arithmetic number, because the mean of its divisors is an integer number (1914384976).

Almost surely, 2^12443502253 is an apocalyptic number.

12443502253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12443502253 is a deficient number, since it is larger than the sum of its proper divisors (2871577555).

12443502253 is a wasteful number, since it uses less digits than its factorization.

12443502253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136741803.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 12443502253 in words is "twelve billion, four hundred forty-three million, five hundred two thousand, two hundred fifty-three".