42023212 has 96 divisors (see below), whose sum is σ = 99348480. Its totient is φ = 15059520.

The previous prime is 42023207. The next prime is 42023221. The reversal of 42023212 is 21232024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251553 + ... + 251719.

It is an arithmetic number, because the mean of its divisors is an integer number (1034880).

Almost surely, 2^42023212 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 42023212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49674240).

42023212 is an abundant number, since it is smaller than the sum of its proper divisors (57325268).

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

42023212 is a wasteful number, since it uses less digits than its factorization.

42023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42023212 is about 6482.5312957208. The cubic root of 42023212 is about 347.6666888307. Note that the first 4 decimals are identical.

Adding to 42023212 its reverse (21232024), we get a palindrome (63255236).

It can be divided in two parts, 420 and 23212, that added together give a palindrome (23632).

The spelling of 42023212 in words is "forty-two million, twenty-three thousand, two hundred twelve".