234553121 has 4 divisors (see below), whose sum is σ = 255876144. Its totient is φ = 213230100.

The previous prime is 234553091. The next prime is 234553127. The reversal of 234553121 is 121355432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234553121 - 2¹⁴ = 234536737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234553127) 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 3 ways as a sum of consecutive naturals, for example, 10661495 + ... + 10661516.

It is an arithmetic number, because the mean of its divisors is an integer number (63969036).

Almost surely, 2^234553121 is an apocalyptic number.

It is an amenable number.

234553121 is a deficient number, since it is larger than the sum of its proper divisors (21323023).

234553121 is a wasteful number, since it uses less digits than its factorization.

234553121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21323022.

The product of its digits is 3600, while the sum is 26.

The square root of 234553121 is about 15315.1271950317. The cubic root of 234553121 is about 616.7091689560.

It can be divided in two parts, 234 and 553121, that added together give a palindrome (553355).

The spelling of 234553121 in words is "two hundred thirty-four million, five hundred fifty-three thousand, one hundred twenty-one".