1023243403 has 16 divisors (see below), whose sum is σ = 1260232960. Its totient is φ = 809048736.

The previous prime is 1023243401. The next prime is 1023243433. The reversal of 1023243403 is 3043423201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1023243403 - 2¹ = 1023243401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023243401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177988 + ... + 183646.

It is an arithmetic number, because the mean of its divisors is an integer number (78764560).

Almost surely, 2^1023243403 is an apocalyptic number.

1023243403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1023243403 is a deficient number, since it is larger than the sum of its proper divisors (236989557).

1023243403 is a wasteful number, since it uses less digits than its factorization.

1023243403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1023243403 is about 31988.1759873863. The cubic root of 1023243403 is about 1007.6885359165.

Adding to 1023243403 its reverse (3043423201), we get a palindrome (4066666604).

It can be divided in two parts, 10232 and 43403, that added together give a palindrome (53635).

The spelling of 1023243403 in words is "one billion, twenty-three million, two hundred forty-three thousand, four hundred three".