220612231623 has 32 divisors (see below), whose sum is σ = 339286958080. Its totient is φ = 124899395040.

The previous prime is 220612231603. The next prime is 220612231627. The reversal of 220612231623 is 326132216022.

220612231623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220612231623 - 2⁹ = 220612231111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220612231627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1343958 + ... + 1499148.

It is an arithmetic number, because the mean of its divisors is an integer number (10602717440).

Almost surely, 2^220612231623 is an apocalyptic number.

220612231623 is a deficient number, since it is larger than the sum of its proper divisors (118674726457).

220612231623 is a wasteful number, since it uses less digits than its factorization.

220612231623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155827.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 220612231623 its reverse (326132216022), we get a palindrome (546744447645).

The spelling of 220612231623 in words is "two hundred twenty billion, six hundred twelve million, two hundred thirty-one thousand, six hundred twenty-three".