89040223 has 6 divisors (see below), whose sum is σ = 89420384. Its totient is φ = 88661436.

The previous prime is 89040163. The next prime is 89040283. The reversal of 89040223 is 32204098.

It is an interprime number because it is at equal distance from previous prime (89040163) and next prime (89040283).

It is a de Polignac number, because none of the positive numbers 2^k-89040223 is a prime.

It is a super-2 number, since 2×89040223² = 15856322623779458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89040191 and 89040200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89040283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146386 + ... + 146992.

Almost surely, 2^89040223 is an apocalyptic number.

89040223 is a deficient number, since it is larger than the sum of its proper divisors (380161).

89040223 is an frugal number, since it uses more digits than its factorization.

89040223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 89040223 is about 9436.1127059823. The cubic root of 89040223 is about 446.5417598935.

The spelling of 89040223 in words is "eighty-nine million, forty thousand, two hundred twenty-three".