88123111 has 4 divisors (see below), whose sum is σ = 90965824. Its totient is φ = 85280400.

The previous prime is 88123109. The next prime is 88123117. The reversal of 88123111 is 11132188.

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 88123111 - 2¹ = 88123109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88123117) 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 3 ways as a sum of consecutive naturals, for example, 1421310 + ... + 1421371.

It is an arithmetic number, because the mean of its divisors is an integer number (22741456).

Almost surely, 2^88123111 is an apocalyptic number.

88123111 is a deficient number, since it is larger than the sum of its proper divisors (2842713).

88123111 is a wasteful number, since it uses less digits than its factorization.

88123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842712.

The product of its digits is 384, while the sum is 25.

The square root of 88123111 is about 9387.3910646143. The cubic root of 88123111 is about 445.0033429871.

Adding to 88123111 its reverse (11132188), we get a palindrome (99255299).

The spelling of 88123111 in words is "eighty-eight million, one hundred twenty-three thousand, one hundred eleven".