234239013 has 16 divisors (see below), whose sum is σ = 348321600. Its totient is φ = 155574000.

The previous prime is 234238999. The next prime is 234239021. The reversal of 234239013 is 310932432.

It is a happy number.

It is not a de Polignac number, because 234239013 - 2⁴ = 234238997 is a prime.

It is a super-2 number, since 2×234239013² = 109735830422428338, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234239063) 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, 8863 + ... + 23388.

It is an arithmetic number, because the mean of its divisors is an integer number (21770100).

Almost surely, 2^234239013 is an apocalyptic number.

It is an amenable number.

234239013 is a deficient number, since it is larger than the sum of its proper divisors (114082587).

234239013 is a wasteful number, since it uses less digits than its factorization.

234239013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32529 (or 32523 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 234239013 is about 15304.8689311604. The cubic root of 234239013 is about 616.4337518574.

The spelling of 234239013 in words is "two hundred thirty-four million, two hundred thirty-nine thousand, thirteen".