220123401 has 8 divisors (see below), whose sum is σ = 293567424. Its totient is φ = 146714160.

The previous prime is 220123381. The next prime is 220123411. The reversal of 220123401 is 104321022.

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

It is not a de Polignac number, because 220123401 - 2¹⁷ = 219992329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220123411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16531 + ... + 26711.

It is an arithmetic number, because the mean of its divisors is an integer number (36695928).

Almost surely, 2^220123401 is an apocalyptic number.

It is an amenable number.

220123401 is a deficient number, since it is larger than the sum of its proper divisors (73444023).

220123401 is a wasteful number, since it uses less digits than its factorization.

220123401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17391.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220123401 is about 14836.5562378876. The cubic root of 220123401 is about 603.7939235648.

Adding to 220123401 its reverse (104321022), we get a palindrome (324444423).

The spelling of 220123401 in words is "two hundred twenty million, one hundred twenty-three thousand, four hundred one".