1133623 has 2 divisors, whose sum is σ = 1133624. Its totient is φ = 1133622.

The previous prime is 1133621. The next prime is 1133633. The reversal of 1133623 is 3263311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1133623 - 2¹ = 1133621 is a prime.

It is a super-2 number, since 2×1133623² = 2570202212258, which contains 22 as substring.

Together with 1133621, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1133623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566811 + 566812.

It is an arithmetic number, because the mean of its divisors is an integer number (566812).

2^1133623 is an apocalyptic number.

1133623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133623 is an equidigital number, since it uses as much as digits as its factorization.

1133623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 19.

The square root of 1133623 is about 1064.7173333801. The cubic root of 1133623 is about 104.2692419631.

Adding to 1133623 its reverse (3263311), we get a palindrome (4396934).

The spelling of 1133623 in words is "one million, one hundred thirty-three thousand, six hundred twenty-three".