620453323 has 4 divisors (see below), whose sum is σ = 709089520. Its totient is φ = 531817128.

The previous prime is 620453297. The next prime is 620453363. The reversal of 620453323 is 323354026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620453323 - 2²¹ = 618356171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620453291 and 620453300.

It is not an unprimeable number, because it can be changed into a prime (620453363) 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 3 ways as a sum of consecutive naturals, for example, 44318088 + ... + 44318101.

It is an arithmetic number, because the mean of its divisors is an integer number (177272380).

Almost surely, 2^620453323 is an apocalyptic number.

620453323 is a deficient number, since it is larger than the sum of its proper divisors (88636197).

620453323 is an equidigital number, since it uses as much as digits as its factorization.

620453323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88636196.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 620453323 is about 24908.9004775402. The cubic root of 620453323 is about 852.9096699466.

The spelling of 620453323 in words is "six hundred twenty million, four hundred fifty-three thousand, three hundred twenty-three".