23135553111 has 16 divisors (see below), whose sum is σ = 33673264128. Its totient is φ = 14012568000.

The previous prime is 23135553107. The next prime is 23135553149. The reversal of 23135553111 is 11135553132.

It is not a de Polignac number, because 23135553111 - 2² = 23135553107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135555111) 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 15 ways as a sum of consecutive naturals, for example, 171990 + ... + 275411.

It is an arithmetic number, because the mean of its divisors is an integer number (2104579008).

Almost surely, 2^23135553111 is an apocalyptic number.

23135553111 is a deficient number, since it is larger than the sum of its proper divisors (10537711017).

23135553111 is a wasteful number, since it uses less digits than its factorization.

23135553111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448982.

The product of its digits is 6750, while the sum is 30.

The spelling of 23135553111 in words is "twenty-three billion, one hundred thirty-five million, five hundred fifty-three thousand, one hundred eleven".