87369123 has 4 divisors (see below), whose sum is σ = 116492168. Its totient is φ = 58246080.

The previous prime is 87369119. The next prime is 87369127. The reversal of 87369123 is 32196378.

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

It is an interprime number because it is at equal distance from previous prime (87369119) and next prime (87369127).

It is not a de Polignac number, because 87369123 - 2² = 87369119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87369127) 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, 14561518 + ... + 14561523.

It is an arithmetic number, because the mean of its divisors is an integer number (29123042).

Almost surely, 2^87369123 is an apocalyptic number.

87369123 is a deficient number, since it is larger than the sum of its proper divisors (29123045).

87369123 is a wasteful number, since it uses less digits than its factorization.

87369123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29123044.

The product of its digits is 54432, while the sum is 39.

The square root of 87369123 is about 9347.1451791443. The cubic root of 87369123 is about 443.7305452557.

It can be divided in two parts, 873 and 69123, that added together give a palindrome (69996).

The spelling of 87369123 in words is "eighty-seven million, three hundred sixty-nine thousand, one hundred twenty-three".