90223043 has 4 divisors (see below), whose sum is σ = 94145808. Its totient is φ = 86300280.

The previous prime is 90223027. The next prime is 90223079. The reversal of 90223043 is 34032209.

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 90223043 - 2⁴ = 90223027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 3922741 = 90223043 / (9 + 0 + 2 + 2 + 3 + 0 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (90213043) 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, 1961348 + ... + 1961393.

It is an arithmetic number, because the mean of its divisors is an integer number (23536452).

Almost surely, 2^90223043 is an apocalyptic number.

90223043 is a deficient number, since it is larger than the sum of its proper divisors (3922765).

90223043 is a wasteful number, since it uses less digits than its factorization.

90223043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922764.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 90223043 is about 9498.5811045650. The cubic root of 90223043 is about 448.5103714645.

The spelling of 90223043 in words is "ninety million, two hundred twenty-three thousand, forty-three".