623066 has 4 divisors (see below), whose sum is σ = 934602. Its totient is φ = 311532.

The previous prime is 623059. The next prime is 623071. The reversal of 623066 is 660326.

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

It can be written as a sum of positive squares in only one way, i.e., 326041 + 297025 = 571^2 + 545^2 .

It is a super-2 number, since 2×623066² = 776422480712, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 623066.

It is an unprimeable number.

623066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155765 + ... + 155768.

2⁶²³⁰⁶⁶ is an apocalyptic number.

623066 is a deficient number, since it is larger than the sum of its proper divisors (311536).

623066 is a wasteful number, since it uses less digits than its factorization.

623066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311535.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 623066 is about 789.3452983327. The cubic root of 623066 is about 85.4105170535.

The spelling of 623066 in words is "six hundred twenty-three thousand, sixty-six".