320200625243 has 4 divisors (see below), whose sum is σ = 326242146528. Its totient is φ = 314159103960.

The previous prime is 320200625233. The next prime is 320200625279. The reversal of 320200625243 is 342526002023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320200625243 - 2⁶ = 320200625179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320200625233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3020760563 + ... + 3020760668.

It is an arithmetic number, because the mean of its divisors is an integer number (81560536632).

Almost surely, 2^320200625243 is an apocalyptic number.

320200625243 is a deficient number, since it is larger than the sum of its proper divisors (6041521285).

320200625243 is an equidigital number, since it uses as much as digits as its factorization.

320200625243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041521284.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 320200625243 its reverse (342526002023), we get a palindrome (662726627266).

The spelling of 320200625243 in words is "three hundred twenty billion, two hundred million, six hundred twenty-five thousand, two hundred forty-three".