32378456243 has 16 divisors (see below), whose sum is σ = 37412819136.
Its totient is φ = 27447383040.
The previous prime is 32378456219. The next prime is 32378456251. The reversal of 32378456243 is 34265487323.
It is not a de Polignac number, because 32378456243 - 28 = 32378455987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (32378456203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320255 + ... + 409047.
It is an arithmetic number, because the mean of its divisors is an integer number (2338301196).
Almost surely, 232378456243 is an apocalyptic number.
32378456243 is a deficient number, since it is larger than the sum of its proper divisors (5034362893).
32378456243 is a wasteful number, since it uses less digits than its factorization.
32378456243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89374.
The product of its digits is 2903040, while the sum is 47.
The spelling of 32378456243 in words is "thirty-two billion, three hundred seventy-eight million, four hundred fifty-six thousand, two hundred forty-three".