42023232 has 112 divisors (see below), whose sum is σ = 125455680. Its totient is φ = 13791744.

The previous prime is 42023227. The next prime is 42023239. The reversal of 42023232 is 23232024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42023239) 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, 143278 + ... + 143570.

It is an arithmetic number, because the mean of its divisors is an integer number (1120140).

Almost surely, 2^42023232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62727840).

42023232 is an abundant number, since it is smaller than the sum of its proper divisors (83432448).

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

42023232 is a wasteful number, since it uses less digits than its factorization.

42023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42023232 is about 6482.5328383279. The cubic root of 42023232 is about 347.6667439854. Note that the first 3 decimals are identical.

Adding to 42023232 its reverse (23232024), we get a palindrome (65255256).

The spelling of 42023232 in words is "forty-two million, twenty-three thousand, two hundred thirty-two".