12523023342 has 24 divisors (see below), whose sum is σ = 27225833544. Its totient is φ = 4160092464.

The previous prime is 12523023299. The next prime is 12523023377. The reversal of 12523023342 is 24332032521.

12523023342 is a `hidden beast` number, since 1 + 25 + 2 + 302 + 334 + 2 = 666.

It is a super-2 number, since 2×12523023342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1181968 + ... + 1192515.

It is an arithmetic number, because the mean of its divisors is an integer number (1134409731).

Almost surely, 2^12523023342 is an apocalyptic number.

12523023342 is an abundant number, since it is smaller than the sum of its proper divisors (14702810202).

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

12523023342 is a wasteful number, since it uses less digits than its factorization.

12523023342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374784 (or 2374781 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 12523023342 its reverse (24332032521), we get a palindrome (36855055863).

The spelling of 12523023342 in words is "twelve billion, five hundred twenty-three million, twenty-three thousand, three hundred forty-two".