12241522523 has 4 divisors (see below), whose sum is σ = 12330876840. Its totient is φ = 12152168208.

The previous prime is 12241522471. The next prime is 12241522583. The reversal of 12241522523 is 32522514221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12241522523 - 2¹² = 12241518427 is a prime.

It is a super-2 number, since 2×12241522523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12241522583) 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, 44676953 + ... + 44677226.

It is an arithmetic number, because the mean of its divisors is an integer number (3082719210).

Almost surely, 2^12241522523 is an apocalyptic number.

12241522523 is a deficient number, since it is larger than the sum of its proper divisors (89354317).

12241522523 is an equidigital number, since it uses as much as digits as its factorization.

12241522523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89354316.

The product of its digits is 9600, while the sum is 29.

The spelling of 12241522523 in words is "twelve billion, two hundred forty-one million, five hundred twenty-two thousand, five hundred twenty-three".