29231230456 has 32 divisors (see below), whose sum is σ = 57659526000. Its totient is φ = 13872441856.

The previous prime is 29231230421. The next prime is 29231230507. The reversal of 29231230456 is 65403213292.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054081 + ... + 1081456.

Almost surely, 2^29231230456 is an apocalyptic number.

It is an amenable number.

29231230456 is a deficient number, since it is larger than the sum of its proper divisors (28428295544).

29231230456 is a wasteful number, since it uses less digits than its factorization.

29231230456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135631 (or 2135627 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 29231230456 in words is "twenty-nine billion, two hundred thirty-one million, two hundred thirty thousand, four hundred fifty-six".