23011202003 has 4 divisors (see below), whose sum is σ = 23033479128. Its totient is φ = 22988924880.

The previous prime is 23011201903. The next prime is 23011202063. The reversal of 23011202003 is 30020211032.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23011202003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23011202063) 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 3 ways as a sum of consecutive naturals, for example, 11137013 + ... + 11139078.

It is an arithmetic number, because the mean of its divisors is an integer number (5758369782).

Almost surely, 2^23011202003 is an apocalyptic number.

23011202003 is a deficient number, since it is larger than the sum of its proper divisors (22277125).

23011202003 is a wasteful number, since it uses less digits than its factorization.

23011202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22277124.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23011202003 its reverse (30020211032), we get a palindrome (53031413035).

The spelling of 23011202003 in words is "twenty-three billion, eleven million, two hundred two thousand, three".