1003137723 has 16 divisors (see below), whose sum is σ = 1698434560. Its totient is φ = 573221448.

The previous prime is 1003137721. The next prime is 1003137739. The reversal of 1003137723 is 3277313001.

It is not a de Polignac number, because 1003137723 - 2¹ = 1003137721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003137721) 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, 2653615 + ... + 2653992.

It is an arithmetic number, because the mean of its divisors is an integer number (106152160).

Almost surely, 2^1003137723 is an apocalyptic number.

1003137723 is a deficient number, since it is larger than the sum of its proper divisors (695296837).

1003137723 is an equidigital number, since it uses as much as digits as its factorization.

1003137723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307623 (or 5307617 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 1003137723 is about 31672.3495023656. The cubic root of 1003137723 is about 1001.0448156467.

The spelling of 1003137723 in words is "one billion, three million, one hundred thirty-seven thousand, seven hundred twenty-three".