230020153 has 12 divisors (see below), whose sum is σ = 256305364. Its totient is φ = 206236800.

The previous prime is 230020151. The next prime is 230020177. The reversal of 230020153 is 351020032.

It can be written as a sum of positive squares in 2 ways, for example, as 179211769 + 50808384 = 13387^2 + 7128^2 .

It is not a de Polignac number, because 230020153 - 2¹ = 230020151 is a prime.

It is a super-2 number, since 2×230020153² = 105818541572286818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230020151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4188 + ... + 21853.

Almost surely, 2^230020153 is an apocalyptic number.

It is an amenable number.

230020153 is a deficient number, since it is larger than the sum of its proper divisors (26285211).

230020153 is a wasteful number, since it uses less digits than its factorization.

230020153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26136 (or 26125 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 230020153 is about 15166.4152982832. The cubic root of 230020153 is about 612.7104620630.

Adding to 230020153 its reverse (351020032), we get a palindrome (581040185).

The spelling of 230020153 in words is "two hundred thirty million, twenty thousand, one hundred fifty-three".