231789476 has 12 divisors (see below), whose sum is σ = 410766720. Its totient is φ = 114427560.

The previous prime is 231789463. The next prime is 231789491. The reversal of 231789476 is 674987132.

231789476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×231789476⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 231789476.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366440 + ... + 367071.

It is an arithmetic number, because the mean of its divisors is an integer number (34230560).

Almost surely, 2^231789476 is an apocalyptic number.

It is an amenable number.

231789476 is a deficient number, since it is larger than the sum of its proper divisors (178977244).

231789476 is a wasteful number, since it uses less digits than its factorization.

231789476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733594 (or 733592 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 231789476 is about 15224.6338543822. The cubic root of 231789476 is about 614.2774478478.

The spelling of 231789476 in words is "two hundred thirty-one million, seven hundred eighty-nine thousand, four hundred seventy-six".