230621401 has 4 divisors (see below), whose sum is σ = 230684112. Its totient is φ = 230558692.

The previous prime is 230621389. The next prime is 230621423. The reversal of 230621401 is 104126032.

230621401 = T₁₂₃₉₈ + T₁₂₃₉₉ + T₁₂₄₀₀.

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 230621401 - 2¹¹ = 230619353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230621441) 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, 25471 + ... + 33316.

It is an arithmetic number, because the mean of its divisors is an integer number (57671028).

Almost surely, 2^230621401 is an apocalyptic number.

230621401 is the 12400-th centered triangular number.

It is an amenable number.

230621401 is a deficient number, since it is larger than the sum of its proper divisors (62711).

230621401 is an equidigital number, since it uses as much as digits as its factorization.

230621401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62710.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 230621401 is about 15186.2240533979. The cubic root of 230621401 is about 613.2438507281.

Adding to 230621401 its reverse (104126032), we get a palindrome (334747433).

The spelling of 230621401 in words is "two hundred thirty million, six hundred twenty-one thousand, four hundred one".