42343000 has 128 divisors (see below), whose sum is σ = 118609920. Its totient is φ = 13833600.

The previous prime is 42342941. The next prime is 42343009. The reversal of 42343000 is 34324.

42343000 = 263² + 264² + ... + 525².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160869 + ... + 161131.

It is an arithmetic number, because the mean of its divisors is an integer number (926640).

Almost surely, 2^42343000 is an apocalyptic number.

42343000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59304960).

42343000 is an abundant number, since it is smaller than the sum of its proper divisors (76266920).

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

42343000 is a wasteful number, since it uses less digits than its factorization.

42343000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 42343000 is about 6507.1499137487. The cubic root of 42343000 is about 348.5463519028.

Adding to 42343000 its reverse (34324), we get a palindrome (42377324).

The spelling of 42343000 in words is "forty-two million, three hundred forty-three thousand".