42423700 has 36 divisors (see below), whose sum is σ = 100431072. Its totient is φ = 15426400.

The previous prime is 42423697. The next prime is 42423701. The reversal of 42423700 is 732424.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42423701) 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, 18184 + ... + 20383.

It is an arithmetic number, because the mean of its divisors is an integer number (2789752).

Almost surely, 2^42423700 is an apocalyptic number.

It is an amenable number.

42423700 is an abundant number, since it is smaller than the sum of its proper divisors (58007372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42423700 is a wasteful number, since it uses less digits than its factorization.

42423700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38592 (or 38585 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42423700 is about 6513.3478334878. The cubic root of 42423700 is about 348.7676386980.

The spelling of 42423700 in words is "forty-two million, four hundred twenty-three thousand, seven hundred".