42343900 has 18 divisors (see below), whose sum is σ = 91886480. Its totient is φ = 16937520.

The previous prime is 42343891. The next prime is 42343901. The reversal of 42343900 is 934324.

42343900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343901) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 211620 + ... + 211819.

Almost surely, 2^42343900 is an apocalyptic number.

It is an amenable number.

42343900 is an abundant number, since it is smaller than the sum of its proper divisors (49542580).

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

42343900 is a wasteful number, since it uses less digits than its factorization.

42343900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423453 (or 423446 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 42343900 is about 6507.2190680812. The cubic root of 42343900 is about 348.5488213349.

The spelling of 42343900 in words is "forty-two million, three hundred forty-three thousand, nine hundred".