1023133403 has 8 divisors (see below), whose sum is σ = 1068228000. Its totient is φ = 978089728.

The previous prime is 1023133381. The next prime is 1023133417. The reversal of 1023133403 is 3043313201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023133403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023133103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31673 + ... + 55221.

It is an arithmetic number, because the mean of its divisors is an integer number (133528500).

Almost surely, 2^1023133403 is an apocalyptic number.

1023133403 is a deficient number, since it is larger than the sum of its proper divisors (45094597).

1023133403 is a wasteful number, since it uses less digits than its factorization.

1023133403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25461.

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

The square root of 1023133403 is about 31986.4565558613. The cubic root of 1023133403 is about 1007.6524253453.

Adding to 1023133403 its reverse (3043313201), we get a palindrome (4066446604).

It can be divided in two parts, 10231 and 33403, that added together give a palindrome (43634).

The spelling of 1023133403 in words is "one billion, twenty-three million, one hundred thirty-three thousand, four hundred three".