220413623 has 8 divisors (see below), whose sum is σ = 242102400. Its totient is φ = 199733688.

The previous prime is 220413617. The next prime is 220413629. The reversal of 220413623 is 326314022.

It is an interprime number because it is at equal distance from previous prime (220413617) and next prime (220413629).

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 220413623 - 2⁸ = 220413367 is a prime.

It is a super-2 number, since 2×220413623² = 97164330407972258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220413629) 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 7 ways as a sum of consecutive naturals, for example, 251753 + ... + 252626.

It is an arithmetic number, because the mean of its divisors is an integer number (30262800).

Almost surely, 2^220413623 is an apocalyptic number.

220413623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

220413623 is a deficient number, since it is larger than the sum of its proper divisors (21688777).

220413623 is a wasteful number, since it uses less digits than its factorization.

220413623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504421.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 220413623 is about 14846.3336551487. Note that the first 3 decimals coincide. The cubic root of 220413623 is about 604.0591646720.

Adding to 220413623 its reverse (326314022), we get a palindrome (546727645).

The spelling of 220413623 in words is "two hundred twenty million, four hundred thirteen thousand, six hundred twenty-three".