13401123 has 4 divisors (see below), whose sum is σ = 17868168. Its totient is φ = 8934080.

The previous prime is 13401119. The next prime is 13401131. The reversal of 13401123 is 32110431.

13401123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32110431 = 3 ⋅10703477.

It is a cyclic number.

It is not a de Polignac number, because 13401123 - 2² = 13401119 is a prime.

It is a super-2 number, since 2×13401123² = 359180195322258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13401163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233518 + ... + 2233523.

It is an arithmetic number, because the mean of its divisors is an integer number (4467042).

Almost surely, 2^13401123 is an apocalyptic number.

13401123 is a deficient number, since it is larger than the sum of its proper divisors (4467045).

13401123 is an equidigital number, since it uses as much as digits as its factorization.

13401123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467044.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13401123 is about 3660.7544304419. The cubic root of 13401123 is about 237.5274088404.

Adding to 13401123 its reverse (32110431), we get a palindrome (45511554).

The spelling of 13401123 in words is "thirteen million, four hundred one thousand, one hundred twenty-three".