320142473587 has 8 divisors (see below), whose sum is σ = 356815141200. Its totient is φ = 285452112384.

The previous prime is 320142473569. The next prime is 320142473593. The reversal of 320142473587 is 785374241023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320142473587 - 2³⁵ = 285782735219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320142477587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495576262 + ... + 495576907.

It is an arithmetic number, because the mean of its divisors is an integer number (44601892650).

Almost surely, 2^320142473587 is an apocalyptic number.

320142473587 is a deficient number, since it is larger than the sum of its proper divisors (36672667613).

320142473587 is a wasteful number, since it uses less digits than its factorization.

320142473587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991153205.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 320142473587 in words is "three hundred twenty billion, one hundred forty-two million, four hundred seventy-three thousand, five hundred eighty-seven".