230040021 has 8 divisors (see below), whose sum is σ = 310602880. Its totient is φ = 151418592.

The previous prime is 230040001. The next prime is 230040037. The reversal of 230040021 is 120040032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230040021 - 2¹⁰ = 230038997 is a prime.

It is a super-2 number, since 2×230040021² = 105836822523360882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230039979 and 230040006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230040001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485080 + ... + 485553.

It is an arithmetic number, because the mean of its divisors is an integer number (38825360).

Almost surely, 2^230040021 is an apocalyptic number.

It is an amenable number.

230040021 is a deficient number, since it is larger than the sum of its proper divisors (80562859).

230040021 is an equidigital number, since it uses as much as digits as its factorization.

230040021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970715.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 230040021 is about 15167.0702840067. The cubic root of 230040021 is about 612.7281025187.

Adding to 230040021 its reverse (120040032), we get a palindrome (350080053).

The spelling of 230040021 in words is "two hundred thirty million, forty thousand, twenty-one".