42023506 has 16 divisors (see below), whose sum is σ = 72123840. Its totient is φ = 17989200.

The previous prime is 42023491. The next prime is 42023521. The reversal of 42023506 is 60532024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42023491) and next prime (42023521).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21156 + ... + 23056.

It is an arithmetic number, because the mean of its divisors is an integer number (4507740).

Almost surely, 2^42023506 is an apocalyptic number.

42023506 is a deficient number, since it is larger than the sum of its proper divisors (30100334).

42023506 is a wasteful number, since it uses less digits than its factorization.

42023506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42023506 is about 6482.5539720083. The cubic root of 42023506 is about 347.6674996030.

The spelling of 42023506 in words is "forty-two million, twenty-three thousand, five hundred six".