230133421 has 4 divisors (see below), whose sum is σ = 263009632. Its totient is φ = 197257212.

The previous prime is 230133391. The next prime is 230133433. The reversal of 230133421 is 124331032.

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 230133421 - 2⁵ = 230133389 is a prime.

It is a super-2 number, since 2×230133421² = 105922782922326482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230133461) 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, 16438095 + ... + 16438108.

It is an arithmetic number, because the mean of its divisors is an integer number (65752408).

Almost surely, 2^230133421 is an apocalyptic number.

It is an amenable number.

230133421 is a deficient number, since it is larger than the sum of its proper divisors (32876211).

230133421 is an equidigital number, since it uses as much as digits as its factorization.

230133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32876210.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 230133421 is about 15170.1490104745. The cubic root of 230133421 is about 612.8110171655.

Adding to 230133421 its reverse (124331032), we get a palindrome (354464453).

The spelling of 230133421 in words is "two hundred thirty million, one hundred thirty-three thousand, four hundred twenty-one".