89947323 has 12 divisors (see below), whose sum is σ = 137566728. Its totient is φ = 56437440.

The previous prime is 89947313. The next prime is 89947327. The reversal of 89947323 is 32374998.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-89947323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89947327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293793 + ... + 294098.

It is an arithmetic number, because the mean of its divisors is an integer number (11463894).

Almost surely, 2^89947323 is an apocalyptic number.

89947323 is a deficient number, since it is larger than the sum of its proper divisors (47619405).

89947323 is a wasteful number, since it uses less digits than its factorization.

89947323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587914 (or 587911 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 89947323 is about 9484.0562524692. The cubic root of 89947323 is about 448.0530253855.

The spelling of 89947323 in words is "eighty-nine million, nine hundred forty-seven thousand, three hundred twenty-three".