320267623 has 4 divisors (see below), whose sum is σ = 344903608. Its totient is φ = 295631640.

The previous prime is 320267593. The next prime is 320267627. The reversal of 320267623 is 326762023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326762023 = 7 ⋅46680289.

It is a cyclic number.

It is not a de Polignac number, because 320267623 - 2¹³ = 320259431 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 (320267627) 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, 12317973 + ... + 12317998.

It is an arithmetic number, because the mean of its divisors is an integer number (86225902).

Almost surely, 2^320267623 is an apocalyptic number.

320267623 is a deficient number, since it is larger than the sum of its proper divisors (24635985).

320267623 is a wasteful number, since it uses less digits than its factorization.

320267623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24635984.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 320267623 is about 17896.0225469237. The cubic root of 320267623 is about 684.1810042444.

The spelling of 320267623 in words is "three hundred twenty million, two hundred sixty-seven thousand, six hundred twenty-three".