42323470 has 32 divisors (see below), whose sum is σ = 90072000. Its totient is φ = 14009856.

The previous prime is 42323467. The next prime is 42323471. The reversal of 42323470 is 7432324.

It is a super-2 number, since 2×42323470² = 3582552225681800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42323471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8395 + ... + 12454.

It is an arithmetic number, because the mean of its divisors is an integer number (2814750).

Almost surely, 2^42323470 is an apocalyptic number.

42323470 is an abundant number, since it is smaller than the sum of its proper divisors (47748530).

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

42323470 is a wasteful number, since it uses less digits than its factorization.

42323470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20892.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 42323470 is about 6505.6490836810. The cubic root of 42323470 is about 348.4927566050.

Adding to 42323470 its reverse (7432324), we get a palindrome (49755794).

The spelling of 42323470 in words is "forty-two million, three hundred twenty-three thousand, four hundred seventy".