2321051603 has 4 divisors (see below), whose sum is σ = 2499594048. Its totient is φ = 2142509160.

The previous prime is 2321051573. The next prime is 2321051639. The reversal of 2321051603 is 3061501232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2321051603 - 2⁶ = 2321051539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321051503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89271203 + ... + 89271228.

It is an arithmetic number, because the mean of its divisors is an integer number (624898512).

Almost surely, 2^2321051603 is an apocalyptic number.

2321051603 is a deficient number, since it is larger than the sum of its proper divisors (178542445).

2321051603 is a wasteful number, since it uses less digits than its factorization.

2321051603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178542444.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2321051603 is about 48177.2934378842. The cubic root of 2321051603 is about 1324.0211786924.

Adding to 2321051603 its reverse (3061501232), we get a palindrome (5382552835).

The spelling of 2321051603 in words is "two billion, three hundred twenty-one million, fifty-one thousand, six hundred three".