1503131223 has 8 divisors (see below), whose sum is σ = 2186372736. Its totient is φ = 910988600.

The previous prime is 1503131159. The next prime is 1503131237. The reversal of 1503131223 is 3221313051.

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

It is a cyclic number.

It is not a de Polignac number, because 1503131223 - 2⁶ = 1503131159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1503131223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1503131293) 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, 22774683 + ... + 22774748.

It is an arithmetic number, because the mean of its divisors is an integer number (273296592).

Almost surely, 2^1503131223 is an apocalyptic number.

1503131223 is a deficient number, since it is larger than the sum of its proper divisors (683241513).

1503131223 is a wasteful number, since it uses less digits than its factorization.

1503131223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45549445.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1503131223 is about 38770.2363031230. The cubic root of 1503131223 is about 1145.5102124112.

Adding to 1503131223 its reverse (3221313051), we get a palindrome (4724444274).

The spelling of 1503131223 in words is "one billion, five hundred three million, one hundred thirty-one thousand, two hundred twenty-three".