113323021003 has 4 divisors (see below), whose sum is σ = 119989081080. Its totient is φ = 106656960928.

The previous prime is 113323020989. The next prime is 113323021081. The reversal of 113323021003 is 300120323311.

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 113323021003 - 2²¹ = 113320923851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113323021093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3333030013 + ... + 3333030046.

It is an arithmetic number, because the mean of its divisors is an integer number (29997270270).

Almost surely, 2^113323021003 is an apocalyptic number.

113323021003 is a deficient number, since it is larger than the sum of its proper divisors (6666060077).

113323021003 is an equidigital number, since it uses as much as digits as its factorization.

113323021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666060076.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 113323021003 its reverse (300120323311), we get a palindrome (413443344314).

The spelling of 113323021003 in words is "one hundred thirteen billion, three hundred twenty-three million, twenty-one thousand, three".