12523120043 has 8 divisors (see below), whose sum is σ = 14313658080. Its totient is φ = 10732962240.

The previous prime is 12523120033. The next prime is 12523120087. The reversal of 12523120043 is 34002132521.

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

It is not a de Polignac number, because 12523120043 - 2⁶ = 12523119979 is a prime.

It is a super-2 number, since 2×12523120043² (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 (12523120033) 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, 20588 + ... + 159593.

It is an arithmetic number, because the mean of its divisors is an integer number (1789207260).

Almost surely, 2^12523120043 is an apocalyptic number.

12523120043 is a deficient number, since it is larger than the sum of its proper divisors (1790538037).

12523120043 is an equidigital number, since it uses as much as digits as its factorization.

12523120043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190117.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12523120043 its reverse (34002132521), we get a palindrome (46525252564).

The spelling of 12523120043 in words is "twelve billion, five hundred twenty-three million, one hundred twenty thousand, forty-three".