13422123 has 24 divisors (see below), whose sum is σ = 22779120. Its totient is φ = 7508160.

The previous prime is 13422121. The next prime is 13422131. The reversal of 13422123 is 32122431.

It is not a de Polignac number, because 13422123 - 2¹ = 13422121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13422096 and 13422105.

It is not an unprimeable number, because it can be changed into a prime (13422121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3928 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (949130).

Almost surely, 2^13422123 is an apocalyptic number.

13422123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13422123 is a deficient number, since it is larger than the sum of its proper divisors (9356997).

13422123 is a wasteful number, since it uses less digits than its factorization.

13422123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10459 (or 10456 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 13422123 is about 3663.6215688851. The cubic root of 13422123 is about 237.6514151733.

Adding to 13422123 its reverse (32122431), we get a palindrome (45544554).

The spelling of 13422123 in words is "thirteen million, four hundred twenty-two thousand, one hundred twenty-three".