4213221400123 has 2 divisors, whose sum is σ = 4213221400124. Its totient is φ = 4213221400122.

The previous prime is 4213221400109. The next prime is 4213221400127. The reversal of 4213221400123 is 3210041223124.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4213221400123 is a prime.

It is not a weakly prime, because it can be changed into another prime (4213221400127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106610700061 + 2106610700062.

It is an arithmetic number, because the mean of its divisors is an integer number (2106610700062).

Almost surely, 2^{4213221400123} is an apocalyptic number.

4213221400123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4213221400123 is an equidigital number, since it uses as much as digits as its factorization.

4213221400123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4213221400123 its reverse (3210041223124), we get a palindrome (7423262623247).

The spelling of 4213221400123 in words is "four trillion, two hundred thirteen billion, two hundred twenty-one million, four hundred thousand, one hundred twenty-three".