320023233453 has 48 divisors (see below), whose sum is σ = 541615320576. Its totient is φ = 166206267360.

The previous prime is 320023233437. The next prime is 320023233511. The reversal of 320023233453 is 354332320023.

It is not a de Polignac number, because 320023233453 - 2⁴ = 320023233437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320023233453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320023253453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7518850 + ... + 7561292.

It is an arithmetic number, because the mean of its divisors is an integer number (11283652512).

Almost surely, 2^320023233453 is an apocalyptic number.

320023233453 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

320023233453 is a deficient number, since it is larger than the sum of its proper divisors (221592087123).

320023233453 is a wasteful number, since it uses less digits than its factorization.

320023233453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47134 (or 47127 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 30.

Adding to 320023233453 its reverse (354332320023), we get a palindrome (674355553476).

The spelling of 320023233453 in words is "three hundred twenty billion, twenty-three million, two hundred thirty-three thousand, four hundred fifty-three".