13223020123 has 2 divisors, whose sum is σ = 13223020124. Its totient is φ = 13223020122.

The previous prime is 13223020093. The next prime is 13223020127. The reversal of 13223020123 is 32102032231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13223020123 - 2¹³ = 13223011931 is a prime.

It is a super-2 number, since 2×13223020123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13223020123.

It is not a weakly prime, because it can be changed into another prime (13223020127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611510061 + 6611510062.

It is an arithmetic number, because the mean of its divisors is an integer number (6611510062).

Almost surely, 2^13223020123 is an apocalyptic number.

13223020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223020123 is an equidigital number, since it uses as much as digits as its factorization.

13223020123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13223020123 its reverse (32102032231), we get a palindrome (45325052354).

The spelling of 13223020123 in words is "thirteen billion, two hundred twenty-three million, twenty thousand, one hundred twenty-three".