1503240233 has 24 divisors (see below), whose sum is σ = 1814971200. Its totient is φ = 1238323680.

The previous prime is 1503240191. The next prime is 1503240247. The reversal of 1503240233 is 3320423051.

It is not a de Polignac number, because 1503240233 - 2¹⁸ = 1502978089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1503240199 and 1503240208.

It is not an unprimeable number, because it can be changed into a prime (1503240293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38663 + ... + 67091.

It is an arithmetic number, because the mean of its divisors is an integer number (75623800).

Almost surely, 2^1503240233 is an apocalyptic number.

It is an amenable number.

1503240233 is a deficient number, since it is larger than the sum of its proper divisors (311730967).

1503240233 is a wasteful number, since it uses less digits than its factorization.

1503240233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28493 (or 28482 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1503240233 is about 38771.6421241092. The cubic root of 1503240233 is about 1145.5379032847.

Adding to 1503240233 its reverse (3320423051), we get a palindrome (4823663284).

The spelling of 1503240233 in words is "one billion, five hundred three million, two hundred forty thousand, two hundred thirty-three".