42123926 has 24 divisors (see below), whose sum is σ = 72454824. Its totient is φ = 18295680.

The previous prime is 42123901. The next prime is 42123929. The reversal of 42123926 is 62932124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2081 + ... + 9411.

It is an arithmetic number, because the mean of its divisors is an integer number (3018951).

Almost surely, 2^42123926 is an apocalyptic number.

42123926 is a deficient number, since it is larger than the sum of its proper divisors (30330898).

42123926 is a wasteful number, since it uses less digits than its factorization.

42123926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376 (or 7363 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 42123926 is about 6490.2947544776. The cubic root of 42123926 is about 347.9442097995.

The spelling of 42123926 in words is "forty-two million, one hundred twenty-three thousand, nine hundred twenty-six".