45023223 has 8 divisors (see below), whose sum is σ = 68606848. Its totient is φ = 25727544.

The previous prime is 45023203. The next prime is 45023239. The reversal of 45023223 is 32232054.

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

It is not a de Polignac number, because 45023223 - 2¹⁶ = 44957687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2143963 = 45023223 / (4 + 5 + 0 + 2 + 3 + 2 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45023223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45023203) 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, 1071961 + ... + 1072002.

It is an arithmetic number, because the mean of its divisors is an integer number (8575856).

Almost surely, 2^45023223 is an apocalyptic number.

45023223 is a deficient number, since it is larger than the sum of its proper divisors (23583625).

45023223 is a wasteful number, since it uses less digits than its factorization.

45023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143973.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 45023223 is about 6709.9346494582. The cubic root of 45023223 is about 355.7505063956.

Adding to 45023223 its reverse (32232054), we get a palindrome (77255277).

The spelling of 45023223 in words is "forty-five million, twenty-three thousand, two hundred twenty-three".