2101323003 has 16 divisors (see below), whose sum is σ = 3114617856. Its totient is φ = 1251407520.

The previous prime is 2101323001. The next prime is 2101323023. The reversal of 2101323003 is 3003231012.

It is not a de Polignac number, because 2101323003 - 2¹ = 2101323001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101323001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867825 + ... + 870242.

It is an arithmetic number, because the mean of its divisors is an integer number (194663616).

Almost surely, 2^2101323003 is an apocalyptic number.

2101323003 is a deficient number, since it is larger than the sum of its proper divisors (1013294853).

2101323003 is a wasteful number, since it uses less digits than its factorization.

2101323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738114.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2101323003 is about 45840.1898229054. The cubic root of 2101323003 is about 1280.8480307679.

Adding to 2101323003 its reverse (3003231012), we get a palindrome (5104554015).

The spelling of 2101323003 in words is "two billion, one hundred one million, three hundred twenty-three thousand, three".