220151623 has 8 divisors (see below), whose sum is σ = 224075936. Its totient is φ = 216237600.

The previous prime is 220151609. The next prime is 220151647. The reversal of 220151623 is 326151022.

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

It is a cyclic number.

It is not a de Polignac number, because 220151623 - 2²¹ = 218054471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220151594 and 220151603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220151663) 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, 49918 + ... + 54148.

It is an arithmetic number, because the mean of its divisors is an integer number (28009492).

Almost surely, 2^220151623 is an apocalyptic number.

220151623 is a deficient number, since it is larger than the sum of its proper divisors (3924313).

220151623 is an equidigital number, since it uses as much as digits as its factorization.

220151623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 220151623 is about 14837.5073041263. The cubic root of 220151623 is about 603.8197265823.

It can be divided in two parts, 2201 and 51623, that added together give a square (53824 = 232²).

The spelling of 220151623 in words is "two hundred twenty million, one hundred fifty-one thousand, six hundred twenty-three".