234534042 has 40 divisors (see below), whose sum is σ = 536728896. Its totient is φ = 76512168.

The previous prime is 234534031. The next prime is 234534061. The reversal of 234534042 is 240435432.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 234533997 and 234534015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7788 + ... + 23015.

Almost surely, 2^234534042 is an apocalyptic number.

234534042 is an abundant number, since it is smaller than the sum of its proper divisors (302194854).

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

234534042 is a wasteful number, since it uses less digits than its factorization.

234534042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30864 (or 30855 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 234534042 is about 15314.5043014784. The cubic root of 234534042 is about 616.6924470677.

Adding to 234534042 its reverse (240435432), we get a palindrome (474969474).

It can be divided in two parts, 23453 and 4042, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 234534042 in words is "two hundred thirty-four million, five hundred thirty-four thousand, forty-two".