88809523 has 6 divisors (see below), whose sum is σ = 97617212. Its totient is φ = 80735820.

The previous prime is 88809517. The next prime is 88809541. The reversal of 88809523 is 32590888.

It is not a de Polignac number, because 88809523 - 2⁹ = 88809011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88809523.

It is not an unprimeable number, because it can be changed into a prime (88809023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 366861 + ... + 367102.

Almost surely, 2^88809523 is an apocalyptic number.

88809523 is a deficient number, since it is larger than the sum of its proper divisors (8807689).

88809523 is a wasteful number, since it uses less digits than its factorization.

88809523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733985 (or 733974 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 88809523 is about 9423.8804640127. The cubic root of 88809523 is about 446.1557684839.

The spelling of 88809523 in words is "eighty-eight million, eight hundred nine thousand, five hundred twenty-three".