13401223124 has 24 divisors (see below), whose sum is σ = 23541906528. Its totient is φ = 6675013280.

The previous prime is 13401223117. The next prime is 13401223181. The reversal of 13401223124 is 42132210431.

It is a self number, because there is not a number n which added to its sum of digits gives 13401223124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194059 + ... + 1205229.

It is an arithmetic number, because the mean of its divisors is an integer number (980912772).

Almost surely, 2^13401223124 is an apocalyptic number.

It is an amenable number.

13401223124 is a deficient number, since it is larger than the sum of its proper divisors (10140683404).

13401223124 is a wasteful number, since it uses less digits than its factorization.

13401223124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12295 (or 12293 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13401223124 its reverse (42132210431), we get a palindrome (55533433555).

The spelling of 13401223124 in words is "thirteen billion, four hundred one million, two hundred twenty-three thousand, one hundred twenty-four".