13030556823 has 24 divisors (see below), whose sum is σ = 18879588000. Its totient is φ = 8660468544.

The previous prime is 13030556821. The next prime is 13030556843. The reversal of 13030556823 is 32865503031.

It is not a de Polignac number, because 13030556823 - 2¹ = 13030556821 is a prime.

It is a super-2 number, since 2×13030556823² (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 (13030556821) 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, 5110753 + ... + 5113301.

It is an arithmetic number, because the mean of its divisors is an integer number (786649500).

Almost surely, 2^13030556823 is an apocalyptic number.

13030556823 is a deficient number, since it is larger than the sum of its proper divisors (5849031177).

13030556823 is a wasteful number, since it uses less digits than its factorization.

13030556823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071 (or 4068 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 13030556823 in words is "thirteen billion, thirty million, five hundred fifty-six thousand, eight hundred twenty-three".