320253123 has 32 divisors (see below), whose sum is σ = 462965760. Its totient is φ = 196185600.

The previous prime is 320253103. The next prime is 320253133. The reversal of 320253123 is 321352023.

It is not a de Polignac number, because 320253123 - 2¹³ = 320244931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320253123.

It is not an unprimeable number, because it can be changed into a prime (320253103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406536 + ... + 407322.

It is an arithmetic number, because the mean of its divisors is an integer number (14467680).

Almost surely, 2^320253123 is an apocalyptic number.

320253123 is a deficient number, since it is larger than the sum of its proper divisors (142712637).

320253123 is a wasteful number, since it uses less digits than its factorization.

320253123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 320253123 is about 17895.6174243863. The cubic root of 320253123 is about 684.1706787400.

The spelling of 320253123 in words is "three hundred twenty million, two hundred fifty-three thousand, one hundred twenty-three".