234220153 has 4 divisors (see below), whose sum is σ = 242296740. Its totient is φ = 226143568.

The previous prime is 234220127. The next prime is 234220157. The reversal of 234220153 is 351022432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67371264 + 166848889 = 8208^2 + 12917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234220153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234220157) 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, 4038250 + ... + 4038307.

It is an arithmetic number, because the mean of its divisors is an integer number (60574185).

Almost surely, 2^234220153 is an apocalyptic number.

It is an amenable number.

234220153 is a deficient number, since it is larger than the sum of its proper divisors (8076587).

234220153 is an equidigital number, since it uses as much as digits as its factorization.

234220153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076586.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 234220153 is about 15304.2527749642. The cubic root of 234220153 is about 616.4172071432.

Adding to 234220153 its reverse (351022432), we get a palindrome (585242585).

The spelling of 234220153 in words is "two hundred thirty-four million, two hundred twenty thousand, one hundred fifty-three".