220232123 has 2 divisors, whose sum is σ = 220232124. Its totient is φ = 220232122.

The previous prime is 220232101. The next prime is 220232189. The reversal of 220232123 is 321232022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220232123 - 2⁸ = 220231867 is a prime.

It is not a weakly prime, because it can be changed into another prime (220232323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110116061 + 110116062.

It is an arithmetic number, because the mean of its divisors is an integer number (110116062).

Almost surely, 2^220232123 is an apocalyptic number.

220232123 is a deficient number, since it is larger than the sum of its proper divisors (1).

220232123 is an equidigital number, since it uses as much as digits as its factorization.

220232123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220232123 is about 14840.2197760006. The cubic root of 220232123 is about 603.8933146001.

Adding to 220232123 its reverse (321232022), we get a palindrome (541464145).

The spelling of 220232123 in words is "two hundred twenty million, two hundred thirty-two thousand, one hundred twenty-three".