42023299 has 4 divisors (see below), whose sum is σ = 42136336. Its totient is φ = 41910264.

The previous prime is 42023273. The next prime is 42023309. The reversal of 42023299 is 99232024.

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 42023299 - 2¹¹ = 42021251 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 42023299.

It is not an unprimeable number, because it can be changed into a prime (42023239) 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, 55959 + ... + 56704.

It is an arithmetic number, because the mean of its divisors is an integer number (10534084).

Almost surely, 2^42023299 is an apocalyptic number.

42023299 is a deficient number, since it is larger than the sum of its proper divisors (113037).

42023299 is a wasteful number, since it uses less digits than its factorization.

42023299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113036.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 42023299 is about 6482.5380060590. The cubic root of 42023299 is about 347.6669287535. Note that the first 3 decimals are identical.

The spelling of 42023299 in words is "forty-two million, twenty-three thousand, two hundred ninety-nine".