234042013 has 4 divisors (see below), whose sum is σ = 234181948. Its totient is φ = 233902080.

The previous prime is 234042007. The next prime is 234042031. The reversal of 234042013 is 310240432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47637604 + 186404409 = 6902^2 + 13653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234042013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234042073) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 67428 + ... + 70813.

It is an arithmetic number, because the mean of its divisors is an integer number (58545487).

Almost surely, 2^234042013 is an apocalyptic number.

It is an amenable number.

234042013 is a deficient number, since it is larger than the sum of its proper divisors (139935).

234042013 is a wasteful number, since it uses less digits than its factorization.

234042013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139934.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 234042013 is about 15298.4317170094. The cubic root of 234042013 is about 616.2608920830.

Adding to 234042013 its reverse (310240432), we get a palindrome (544282445).

The spelling of 234042013 in words is "two hundred thirty-four million, forty-two thousand, thirteen".