28323146372 has 12 divisors (see below), whose sum is σ = 49842409680. Its totient is φ = 14082457896.

The previous prime is 28323146363. The next prime is 28323146387. The reversal of 28323146372 is 27364132382.

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, 19778018 + ... + 19779449.

It is an arithmetic number, because the mean of its divisors is an integer number (4153534140).

Almost surely, 2^28323146372 is an apocalyptic number.

It is an amenable number.

28323146372 is a deficient number, since it is larger than the sum of its proper divisors (21519263308).

28323146372 is a wasteful number, since it uses less digits than its factorization.

28323146372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39557650 (or 39557648 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The spelling of 28323146372 in words is "twenty-eight billion, three hundred twenty-three million, one hundred forty-six thousand, three hundred seventy-two".