220210123123 has 2 divisors, whose sum is σ = 220210123124. Its totient is φ = 220210123122.

The previous prime is 220210123097. The next prime is 220210123141. The reversal of 220210123123 is 321321012022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220210123123 - 2³³ = 211620188531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220210123123.

It is not a weakly prime, because it can be changed into another prime (220210103123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105061561 + 110105061562.

It is an arithmetic number, because the mean of its divisors is an integer number (110105061562).

Almost surely, 2^220210123123 is an apocalyptic number.

220210123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

220210123123 is an equidigital number, since it uses as much as digits as its factorization.

220210123123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220210123123 its reverse (321321012022), we get a palindrome (541531135145).

The spelling of 220210123123 in words is "two hundred twenty billion, two hundred ten million, one hundred twenty-three thousand, one hundred twenty-three".