13023545443 has 2 divisors, whose sum is σ = 13023545444. Its totient is φ = 13023545442.

The previous prime is 13023545441. The next prime is 13023545471. The reversal of 13023545443 is 34454532031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13023545443 - 2¹ = 13023545441 is a prime.

It is a super-2 number, since 2×13023545443² (a number of 21 digits) contains 22 as substring.

Together with 13023545441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13023545399 and 13023545408.

It is not a weakly prime, because it can be changed into another prime (13023545441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511772721 + 6511772722.

It is an arithmetic number, because the mean of its divisors is an integer number (6511772722).

Almost surely, 2^13023545443 is an apocalyptic number.

13023545443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13023545443 is an equidigital number, since it uses as much as digits as its factorization.

13023545443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 13023545443 in words is "thirteen billion, twenty-three million, five hundred forty-five thousand, four hundred forty-three".