234655421 has 48 divisors (see below), whose sum is σ = 322111104. Its totient is φ = 166320000.

The previous prime is 234655417. The next prime is 234655441. The reversal of 234655421 is 124556432.

It is not a de Polignac number, because 234655421 - 2² = 234655417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234655441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1112006 + ... + 1112216.

It is an arithmetic number, because the mean of its divisors is an integer number (6710648).

Almost surely, 2^234655421 is an apocalyptic number.

It is an amenable number.

234655421 is a deficient number, since it is larger than the sum of its proper divisors (87455683).

234655421 is a wasteful number, since it uses less digits than its factorization.

234655421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 343 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 234655421 is about 15318.4666660864. The cubic root of 234655421 is about 616.7988148577.

The spelling of 234655421 in words is "two hundred thirty-four million, six hundred fifty-five thousand, four hundred twenty-one".