13423455 has 32 divisors (see below), whose sum is σ = 25272000. Its totient is φ = 6736896.

The previous prime is 13423453. The next prime is 13423483. The reversal of 13423455 is 55432431.

It is not a de Polignac number, because 13423455 - 2¹ = 13423453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (789750).

Almost surely, 2^13423455 is an apocalyptic number.

13423455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13423455 is a deficient number, since it is larger than the sum of its proper divisors (11848545).

13423455 is a wasteful number, since it uses less digits than its factorization.

13423455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880 (or 5874 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 13423455 is about 3663.8033517098. The cubic root of 13423455 is about 237.6592763543.

Adding to 13423455 its reverse (55432431), we get a palindrome (68855886).

The spelling of 13423455 in words is "thirteen million, four hundred twenty-three thousand, four hundred fifty-five".