13453216123 has 2 divisors, whose sum is σ = 13453216124. Its totient is φ = 13453216122.

The previous prime is 13453216111. The next prime is 13453216129. The reversal of 13453216123 is 32161235431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13453216123 - 2¹³ = 13453207931 is a prime.

It is a super-2 number, since 2×13453216123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13453216129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726608061 + 6726608062.

It is an arithmetic number, because the mean of its divisors is an integer number (6726608062).

Almost surely, 2^13453216123 is an apocalyptic number.

13453216123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453216123 is an equidigital number, since it uses as much as digits as its factorization.

13453216123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The spelling of 13453216123 in words is "thirteen billion, four hundred fifty-three million, two hundred sixteen thousand, one hundred twenty-three".