320024355253 has 4 divisors (see below), whose sum is σ = 320150799648. Its totient is φ = 319897910860.

The previous prime is 320024355247. The next prime is 320024355347. The reversal of 320024355253 is 352553420023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320024355253 - 2¹³ = 320024347061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320024350253) 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, 63218401 + ... + 63223462.

It is an arithmetic number, because the mean of its divisors is an integer number (80037699912).

Almost surely, 2^320024355253 is an apocalyptic number.

It is an amenable number.

320024355253 is a deficient number, since it is larger than the sum of its proper divisors (126444395).

320024355253 is a wasteful number, since it uses less digits than its factorization.

320024355253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126444394.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 320024355253 its reverse (352553420023), we get a palindrome (672577775276).

The spelling of 320024355253 in words is "three hundred twenty billion, twenty-four million, three hundred fifty-five thousand, two hundred fifty-three".