320240230453 has 16 divisors (see below), whose sum is σ = 379878984576. Its totient is φ = 266123989440.

The previous prime is 320240230441. The next prime is 320240230459. The reversal of 320240230453 is 354032042023.

It is a cyclic number.

It is not a de Polignac number, because 320240230453 - 2¹⁷ = 320240099381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320240230459) 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, 10856350 + ... + 10885807.

It is an arithmetic number, because the mean of its divisors is an integer number (23742436536).

Almost surely, 2^320240230453 is an apocalyptic number.

It is an amenable number.

320240230453 is a deficient number, since it is larger than the sum of its proper divisors (59638754123).

320240230453 is a wasteful number, since it uses less digits than its factorization.

320240230453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21742284.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 320240230453 its reverse (354032042023), we get a palindrome (674272272476).

The spelling of 320240230453 in words is "three hundred twenty billion, two hundred forty million, two hundred thirty thousand, four hundred fifty-three".