13943248623 has 24 divisors (see below), whose sum is σ = 21033986688. Its totient is φ = 8883699792.

The previous prime is 13943248621. The next prime is 13943248673. The reversal of 13943248623 is 32684234931.

13943248623 is a `hidden beast` number, since 13 + 9 + 4 + 3 + 2 + 4 + 8 + 623 = 666.

It is not a de Polignac number, because 13943248623 - 2¹ = 13943248621 is a prime.

It is a super-2 number, since 2×13943248623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13943248621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217336 + ... + 274082.

It is an arithmetic number, because the mean of its divisors is an integer number (876416112).

Almost surely, 2^13943248623 is an apocalyptic number.

13943248623 is a deficient number, since it is larger than the sum of its proper divisors (7090738065).

13943248623 is a wasteful number, since it uses less digits than its factorization.

13943248623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57963 (or 57960 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 13943248623 in words is "thirteen billion, nine hundred forty-three million, two hundred forty-eight thousand, six hundred twenty-three".