230420153 has 4 divisors (see below), whose sum is σ = 230590080. Its totient is φ = 230250228.

The previous prime is 230420149. The next prime is 230420171. The reversal of 230420153 is 351024032.

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 230420153 - 2² = 230420149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230420173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82913 + ... + 85646.

It is an arithmetic number, because the mean of its divisors is an integer number (57647520).

Almost surely, 2^230420153 is an apocalyptic number.

It is an amenable number.

230420153 is a deficient number, since it is larger than the sum of its proper divisors (169927).

230420153 is a wasteful number, since it uses less digits than its factorization.

230420153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169926.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230420153 is about 15179.5966020181. The cubic root of 230420153 is about 613.0654197386.

Adding to 230420153 its reverse (351024032), we get a palindrome (581444185).

The spelling of 230420153 in words is "two hundred thirty million, four hundred twenty thousand, one hundred fifty-three".