13121423001 has 12 divisors (see below), whose sum is σ = 19048411200. Its totient is φ = 8703656280.

The previous prime is 13121422903. The next prime is 13121423017. The reversal of 13121423001 is 10032412131.

It is not a de Polignac number, because 13121423001 - 2¹⁷ = 13121291929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13121423101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3661365 + ... + 3664946.

It is an arithmetic number, because the mean of its divisors is an integer number (1587367600).

Almost surely, 2^13121423001 is an apocalyptic number.

It is an amenable number.

13121423001 is a deficient number, since it is larger than the sum of its proper divisors (5926988199).

13121423001 is a wasteful number, since it uses less digits than its factorization.

13121423001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326516 (or 7326513 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13121423001 its reverse (10032412131), we get a palindrome (23153835132).

The spelling of 13121423001 in words is "thirteen billion, one hundred twenty-one million, four hundred twenty-three thousand, one".