1233423 has 12 divisors (see below), whose sum is σ = 1875640. Its totient is φ = 778896.

The previous prime is 1233409. The next prime is 1233431. The reversal of 1233423 is 3243321.

It is not a de Polignac number, because 1233423 - 2¹⁸ = 971279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233396 and 1233405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3436 + ... + 3777.

2^1233423 is an apocalyptic number.

1233423 is a deficient number, since it is larger than the sum of its proper divisors (642217).

1233423 is a wasteful number, since it uses less digits than its factorization.

1233423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238 (or 7235 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 1233423 is about 1110.5957860536. The cubic root of 1233423 is about 107.2434263335.

Adding to 1233423 its reverse (3243321), we get a palindrome (4476744).

The spelling of 1233423 in words is "one million, two hundred thirty-three thousand, four hundred twenty-three".