12523020131 has 8 divisors (see below), whose sum is σ = 13377012624. Its totient is φ = 11682065920.

The previous prime is 12523020113. The next prime is 12523020157. The reversal of 12523020131 is 13102032521.

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

It is a cyclic number.

It is not a de Polignac number, because 12523020131 - 2²² = 12518825827 is a prime.

It is a super-2 number, since 2×12523020131² (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 (12523020931) 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, 3257585 + ... + 3261426.

It is an arithmetic number, because the mean of its divisors is an integer number (1672126578).

Almost surely, 2^12523020131 is an apocalyptic number.

12523020131 is a deficient number, since it is larger than the sum of its proper divisors (853992493).

12523020131 is a wasteful number, since it uses less digits than its factorization.

12523020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519141.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 12523020131 its reverse (13102032521), we get a palindrome (25625052652).

The spelling of 12523020131 in words is "twelve billion, five hundred twenty-three million, twenty thousand, one hundred thirty-one".