42023315 has 16 divisors (see below), whose sum is σ = 51559200. Its totient is φ = 32873472.

The previous prime is 42023309. The next prime is 42023347. The reversal of 42023315 is 51332024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42023315 - 2⁶ = 42023251 is a prime.

It is a super-4 number, since 4×42023315⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44771 + ... + 45699.

It is an arithmetic number, because the mean of its divisors is an integer number (3222450).

Almost surely, 2^42023315 is an apocalyptic number.

42023315 is a deficient number, since it is larger than the sum of its proper divisors (9535885).

42023315 is a wasteful number, since it uses less digits than its factorization.

42023315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42023315 is about 6482.5392401435. The cubic root of 42023315 is about 347.6669728772. Note that the first 3 decimals are identical.

Adding to 42023315 its reverse (51332024), we get a palindrome (93355339).

The spelling of 42023315 in words is "forty-two million, twenty-three thousand, three hundred fifteen".