230540121 has 16 divisors (see below), whose sum is σ = 390332800. Its totient is φ = 131737104.

The previous prime is 230540119. The next prime is 230540131. The reversal of 230540121 is 121045032.

230540121 is a `hidden beast` number, since 2 + 3 + 0 + 540 + 121 = 666.

It is not a de Polignac number, because 230540121 - 2¹ = 230540119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230540094 and 230540103.

It is not an unprimeable number, because it can be changed into a prime (230540131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609706 + ... + 610083.

It is an arithmetic number, because the mean of its divisors is an integer number (24395800).

Almost surely, 2^230540121 is an apocalyptic number.

230540121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230540121 is a deficient number, since it is larger than the sum of its proper divisors (159792679).

230540121 is a wasteful number, since it uses less digits than its factorization.

230540121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219805 (or 1219799 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 230540121 is about 15183.5477079634. The cubic root of 230540121 is about 613.1717985583.

Adding to 230540121 its reverse (121045032), we get a palindrome (351585153).

The spelling of 230540121 in words is "two hundred thirty million, five hundred forty thousand, one hundred twenty-one".