234428821427 has 8 divisors (see below), whose sum is σ = 242590420800. Its totient is φ = 226272411904.

The previous prime is 234428821397. The next prime is 234428821493. The reversal of 234428821427 is 724128824432.

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 234428821427 - 2¹² = 234428817331 is a prime.

It is a super-3 number, since 3×234428821427³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234428823427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205438 + ... + 1386339.

It is an arithmetic number, because the mean of its divisors is an integer number (30323802600).

Almost surely, 2^234428821427 is an apocalyptic number.

234428821427 is a deficient number, since it is larger than the sum of its proper divisors (8161599373).

234428821427 is a wasteful number, since it uses less digits than its factorization.

234428821427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594925.

The product of its digits is 1376256, while the sum is 47.

The spelling of 234428821427 in words is "two hundred thirty-four billion, four hundred twenty-eight million, eight hundred twenty-one thousand, four hundred twenty-seven".