234630813 has 8 divisors (see below), whose sum is σ = 313399008. Its totient is φ = 156141584.

The previous prime is 234630811. The next prime is 234630817. The reversal of 234630813 is 318036432.

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

It is a cyclic number.

It is not a de Polignac number, because 234630813 - 2¹ = 234630811 is a prime.

It is a super-3 number, since 3×234630813³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234630811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67770 + ... + 71147.

It is an arithmetic number, because the mean of its divisors is an integer number (39174876).

Almost surely, 2^234630813 is an apocalyptic number.

It is an amenable number.

234630813 is a deficient number, since it is larger than the sum of its proper divisors (78768195).

234630813 is a wasteful number, since it uses less digits than its factorization.

234630813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139483.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 234630813 is about 15317.6634314767. The cubic root of 234630813 is about 616.7772531485. Note that the first 3 decimals are identical.

The spelling of 234630813 in words is "two hundred thirty-four million, six hundred thirty thousand, eight hundred thirteen".