88423081 has 4 divisors (see below), whose sum is σ = 90812932. Its totient is φ = 86033232.

The previous prime is 88423079. The next prime is 88423147. The reversal of 88423081 is 18032488.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62157456 + 26265625 = 7884^2 + 5125^2 .

It is a cyclic number.

It is not a de Polignac number, because 88423081 - 2¹ = 88423079 is a prime.

It is a super-2 number, since 2×88423081² = 15637282507065122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88423031) 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, 1194870 + ... + 1194943.

It is an arithmetic number, because the mean of its divisors is an integer number (22703233).

Almost surely, 2^88423081 is an apocalyptic number.

It is an amenable number.

88423081 is a deficient number, since it is larger than the sum of its proper divisors (2389851).

88423081 is a wasteful number, since it uses less digits than its factorization.

88423081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389850.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 88423081 is about 9403.3547736965. The cubic root of 88423081 is about 445.5076998035.

The spelling of 88423081 in words is "eighty-eight million, four hundred twenty-three thousand, eighty-one".