87232523 has 4 divisors (see below), whose sum is σ = 99694320. Its totient is φ = 74770728.

The previous prime is 87232433. The next prime is 87232567. The reversal of 87232523 is 32523278.

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 87232523 - 2¹⁰ = 87231499 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87232523.

It is not an unprimeable number, because it can be changed into a prime (87232823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6230888 + ... + 6230901.

It is an arithmetic number, because the mean of its divisors is an integer number (24923580).

Almost surely, 2^87232523 is an apocalyptic number.

87232523 is a deficient number, since it is larger than the sum of its proper divisors (12461797).

87232523 is a wasteful number, since it uses less digits than its factorization.

87232523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12461796.

The product of its digits is 20160, while the sum is 32.

The square root of 87232523 is about 9339.8352769200. The cubic root of 87232523 is about 443.4991698098.

The spelling of 87232523 in words is "eighty-seven million, two hundred thirty-two thousand, five hundred twenty-three".