42523868 has 12 divisors (see below), whose sum is σ = 78794352. Its totient is φ = 20011200.

The previous prime is 42523823. The next prime is 42523879. The reversal of 42523868 is 86832524.

42523868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 312608 + ... + 312743.

It is an arithmetic number, because the mean of its divisors is an integer number (6566196).

Almost surely, 2^42523868 is an apocalyptic number.

It is an amenable number.

42523868 is a deficient number, since it is larger than the sum of its proper divisors (36270484).

42523868 is a wasteful number, since it uses less digits than its factorization.

42523868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625372 (or 625370 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 42523868 is about 6521.0327402951. The cubic root of 42523868 is about 349.0419185397.

The spelling of 42523868 in words is "forty-two million, five hundred twenty-three thousand, eight hundred sixty-eight".