42331234 has 8 divisors (see below), whose sum is σ = 69269328. Its totient is φ = 19241460.

The previous prime is 42331231. The next prime is 42331277. The reversal of 42331234 is 43213324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1924147 = 42331234 / (4 + 2 + 3 + 3 + 1 + 2 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (42331231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962052 + ... + 962095.

It is an arithmetic number, because the mean of its divisors is an integer number (8658666).

Almost surely, 2^42331234 is an apocalyptic number.

42331234 is a deficient number, since it is larger than the sum of its proper divisors (26938094).

42331234 is a wasteful number, since it uses less digits than its factorization.

42331234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924160.

The product of its digits is 1728, while the sum is 22.

The square root of 42331234 is about 6506.2457684905. The cubic root of 42331234 is about 348.5140649739.

Adding to 42331234 its reverse (43213324), we get a palindrome (85544558).

The spelling of 42331234 in words is "forty-two million, three hundred thirty-one thousand, two hundred thirty-four".