320123622 has 64 divisors (see below), whose sum is σ = 790078464. Its totient is φ = 84205440.

The previous prime is 320123603. The next prime is 320123677. The reversal of 320123622 is 226321023.

320123622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360463 + ... + 361349.

It is an arithmetic number, because the mean of its divisors is an integer number (12344976).

Almost surely, 2^320123622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320123622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395039232).

320123622 is an abundant number, since it is smaller than the sum of its proper divisors (469954842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320123622 is a wasteful number, since it uses less digits than its factorization.

320123622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 320123622 is about 17891.9988262910. The cubic root of 320123622 is about 684.0784467669.

Adding to 320123622 its reverse (226321023), we get a palindrome (546444645).

The spelling of 320123622 in words is "three hundred twenty million, one hundred twenty-three thousand, six hundred twenty-two".