623266 has 8 divisors (see below), whose sum is σ = 1068480. Its totient is φ = 267108.

The previous prime is 623263. The next prime is 623269. The reversal of 623266 is 662326.

It is an interprime number because it is at equal distance from previous prime (623263) and next prime (623269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 623266.

It is not an unprimeable number, because it can be changed into a prime (623261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22246 + ... + 22273.

It is an arithmetic number, because the mean of its divisors is an integer number (133560).

2⁶²³²⁶⁶ is an apocalyptic number.

623266 is a deficient number, since it is larger than the sum of its proper divisors (445214).

623266 is a wasteful number, since it uses less digits than its factorization.

623266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44528.

The product of its digits is 2592, while the sum is 25.

The square root of 623266 is about 789.4719754367. The cubic root of 623266 is about 85.4196548099.

Subtracting 623266 from its reverse (662326), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 623266 in words is "six hundred twenty-three thousand, two hundred sixty-six".