12031523446 has 16 divisors (see below), whose sum is σ = 18099637920. Its totient is φ = 5998336960.

The previous prime is 12031523423. The next prime is 12031523479. The reversal of 12031523446 is 64432513021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029516 + ... + 1041136.

It is an arithmetic number, because the mean of its divisors is an integer number (1131227370).

Almost surely, 2^12031523446 is an apocalyptic number.

12031523446 is a deficient number, since it is larger than the sum of its proper divisors (6068114474).

12031523446 is a wasteful number, since it uses less digits than its factorization.

12031523446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13079.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 12031523446 in words is "twelve billion, thirty-one million, five hundred twenty-three thousand, four hundred forty-six".