320044023253 has 2 divisors, whose sum is σ = 320044023254. Its totient is φ = 320044023252.

The previous prime is 320044023251. The next prime is 320044023317. The reversal of 320044023253 is 352320440023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283213423684 + 36830599569 = 532178^2 + 191913^2 .

It is a cyclic number.

It is not a de Polignac number, because 320044023253 - 2¹ = 320044023251 is a prime.

Together with 320044023251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320044023251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160022011626 + 160022011627.

It is an arithmetic number, because the mean of its divisors is an integer number (160022011627).

Almost surely, 2^320044023253 is an apocalyptic number.

It is an amenable number.

320044023253 is a deficient number, since it is larger than the sum of its proper divisors (1).

320044023253 is an equidigital number, since it uses as much as digits as its factorization.

320044023253 is an evil number, because the sum of its binary digits is even.

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

Adding to 320044023253 its reverse (352320440023), we get a palindrome (672364463276).

The spelling of 320044023253 in words is "three hundred twenty billion, forty-four million, twenty-three thousand, two hundred fifty-three".