42023768 has 8 divisors (see below), whose sum is σ = 78794580. Its totient is φ = 21011880.

The previous prime is 42023767. The next prime is 42023789. The reversal of 42023768 is 86732024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42023767) by changing a digit.

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 as a sum of consecutive naturals, namely, 2626478 + ... + 2626493.

Almost surely, 2^42023768 is an apocalyptic number.

It is an amenable number.

42023768 is a deficient number, since it is larger than the sum of its proper divisors (36770812).

42023768 is a wasteful number, since it uses less digits than its factorization.

42023768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252977 (or 5252973 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 42023768 is about 6482.5741800615. The cubic root of 42023768 is about 347.6682221248.

The spelling of 42023768 in words is "forty-two million, twenty-three thousand, seven hundred sixty-eight".