89143423 has 8 divisors (see below), whose sum is σ = 93136896. Its totient is φ = 85159800.

The previous prime is 89143399. The next prime is 89143451. The reversal of 89143423 is 32434198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89143423 - 2⁵ = 89143391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89143463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20838 + ... + 24748.

It is an arithmetic number, because the mean of its divisors is an integer number (11642112).

Almost surely, 2^89143423 is an apocalyptic number.

89143423 is a deficient number, since it is larger than the sum of its proper divisors (3993473).

89143423 is a wasteful number, since it uses less digits than its factorization.

89143423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925.

The product of its digits is 20736, while the sum is 34.

The square root of 89143423 is about 9441.5794759140. The cubic root of 89143423 is about 446.7142112332.

The spelling of 89143423 in words is "eighty-nine million, one hundred forty-three thousand, four hundred twenty-three".