1403233 has 4 divisors (see below), whose sum is σ = 1511188. Its totient is φ = 1295280.

The previous prime is 1403189. The next prime is 1403239. The reversal of 1403233 is 3323041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 677329 + 725904 = 823^2 + 852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1403233 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (1403239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53958 + ... + 53983.

It is an arithmetic number, because the mean of its divisors is an integer number (377797).

2^1403233 is an apocalyptic number.

1403233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1403233 is a deficient number, since it is larger than the sum of its proper divisors (107955).

1403233 is a wasteful number, since it uses less digits than its factorization.

1403233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107954.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1403233 is about 1184.5813606503. The cubic root of 1403233 is about 111.9549404201.

Adding to 1403233 its reverse (3323041), we get a palindrome (4726274).

The spelling of 1403233 in words is "one million, four hundred three thousand, two hundred thirty-three".