42453023 has 4 divisors (see below), whose sum is σ = 43600440. Its totient is φ = 41305608.

The previous prime is 42453017. The next prime is 42453107. The reversal of 42453023 is 32035424.

42453023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42453023 - 2¹² = 42448927 is a prime.

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 42453023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42453823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573653 + ... + 573726.

It is an arithmetic number, because the mean of its divisors is an integer number (10900110).

Almost surely, 2^42453023 is an apocalyptic number.

42453023 is a deficient number, since it is larger than the sum of its proper divisors (1147417).

42453023 is a wasteful number, since it uses less digits than its factorization.

42453023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147416.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42453023 is about 6515.5984375957. The cubic root of 42453023 is about 348.8479755389.

Adding to 42453023 its reverse (32035424), we get a palindrome (74488447).

The spelling of 42453023 in words is "forty-two million, four hundred fifty-three thousand, twenty-three".