42323453 has 8 divisors (see below), whose sum is σ = 43317120. Its totient is φ = 41333760.

The previous prime is 42323423. The next prime is 42323459. The reversal of 42323453 is 35432324.

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

It is a cyclic number.

It is not a de Polignac number, because 42323453 - 2¹⁸ = 42061309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42323459) 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, 35558 + ... + 36728.

It is an arithmetic number, because the mean of its divisors is an integer number (5414640).

Almost surely, 2^42323453 is an apocalyptic number.

It is an amenable number.

42323453 is a deficient number, since it is larger than the sum of its proper divisors (993667).

42323453 is a wasteful number, since it uses less digits than its factorization.

42323453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987.

The product of its digits is 8640, while the sum is 26.

The square root of 42323453 is about 6505.6477771241. The cubic root of 42323453 is about 348.4927099455.

Adding to 42323453 its reverse (35432324), we get a palindrome (77755777).

The spelling of 42323453 in words is "forty-two million, three hundred twenty-three thousand, four hundred fifty-three".