23111404102 has 16 divisors (see below), whose sum is σ = 35520032592. Its totient is φ = 11272101120.

The previous prime is 23111404093. The next prime is 23111404109. The reversal of 23111404102 is 20140411132.

It is a self number, because there is not a number n which added to its sum of digits gives 23111404102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111404109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111123 + ... + 242014.

It is an arithmetic number, because the mean of its divisors is an integer number (2220002037).

Almost surely, 2^23111404102 is an apocalyptic number.

23111404102 is a deficient number, since it is larger than the sum of its proper divisors (12408628490).

23111404102 is a wasteful number, since it uses less digits than its factorization.

23111404102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353943.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 23111404102 its reverse (20140411132), we get a palindrome (43251815234).

The spelling of 23111404102 in words is "twenty-three billion, one hundred eleven million, four hundred four thousand, one hundred two".