1623233 has 2 divisors, whose sum is σ = 1623234. Its totient is φ = 1623232.

The previous prime is 1623229. The next prime is 1623263. The reversal of 1623233 is 3323261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1620529 + 2704 = 1273^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623233 - 2² = 1623229 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1623203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811616 + 811617.

It is an arithmetic number, because the mean of its divisors is an integer number (811617).

2^1623233 is an apocalyptic number.

It is an amenable number.

1623233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623233 is an equidigital number, since it uses as much as digits as its factorization.

1623233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 20.

The square root of 1623233 is about 1274.0616154645. The cubic root of 1623233 is about 117.5241055116.

Adding to 1623233 its reverse (3323261), we get a palindrome (4946494).

The spelling of 1623233 in words is "one million, six hundred twenty-three thousand, two hundred thirty-three".