87723235 has 4 divisors (see below), whose sum is σ = 105267888. Its totient is φ = 70178584.

The previous prime is 87723227. The next prime is 87723239. The reversal of 87723235 is 53232778.

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 87723235 - 2³ = 87723227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87723194 and 87723203.

It is not an unprimeable number, because it can be changed into a prime (87723239) 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, 8772319 + ... + 8772328.

It is an arithmetic number, because the mean of its divisors is an integer number (26316972).

Almost surely, 2^87723235 is an apocalyptic number.

87723235 is a deficient number, since it is larger than the sum of its proper divisors (17544653).

87723235 is a wasteful number, since it uses less digits than its factorization.

87723235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17544652.

The product of its digits is 70560, while the sum is 37.

The square root of 87723235 is about 9366.0682786322. The cubic root of 87723235 is about 444.3292254917.

The spelling of 87723235 in words is "eighty-seven million, seven hundred twenty-three thousand, two hundred thirty-five".