23011311003 has 4 divisors (see below), whose sum is σ = 30681748008. Its totient is φ = 15340874000.

The previous prime is 23011310969. The next prime is 23011311031. The reversal of 23011311003 is 30011311032.

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 23011311003 - 2⁶ = 23011310939 is a prime.

It is a super-3 number, since 3×23011311003³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23011311203) 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, 3835218498 + ... + 3835218503.

It is an arithmetic number, because the mean of its divisors is an integer number (7670437002).

Almost surely, 2^23011311003 is an apocalyptic number.

23011311003 is a deficient number, since it is larger than the sum of its proper divisors (7670437005).

23011311003 is an equidigital number, since it uses as much as digits as its factorization.

23011311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670437004.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 23011311003 its reverse (30011311032), we get a palindrome (53022622035).

The spelling of 23011311003 in words is "twenty-three billion, eleven million, three hundred eleven thousand, three".