23111220003 has 8 divisors (see below), whose sum is σ = 30816660048. Its totient is φ = 15406629984.

The previous prime is 23111219983. The next prime is 23111220043. The reversal of 23111220003 is 30002211132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23111220003 - 2⁹ = 23111219491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23111220043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146100 + ... + 259937.

It is an arithmetic number, because the mean of its divisors is an integer number (3852082506).

Almost surely, 2^23111220003 is an apocalyptic number.

23111220003 is a deficient number, since it is larger than the sum of its proper divisors (7705440045).

23111220003 is a wasteful number, since it uses less digits than its factorization.

23111220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425013.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23111220003 its reverse (30002211132), we get a palindrome (53113431135).

The spelling of 23111220003 in words is "twenty-three billion, one hundred eleven million, two hundred twenty thousand, three".