13553780346923 has 2 divisors, whose sum is σ = 13553780346924. Its totient is φ = 13553780346922.

The previous prime is 13553780346917. The next prime is 13553780346937. The reversal of 13553780346923 is 32964308735531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13553780346923 - 2¹² = 13553780342827 is a prime.

It is not a weakly prime, because it can be changed into another prime (13553780346823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776890173461 + 6776890173462.

It is an arithmetic number, because the mean of its divisors is an integer number (6776890173462).

It is a 2-persistent number, because it is pandigital, and so is 2⋅13553780346923 = 27107560693846, but 3⋅13553780346923 = 40661341040769 is not.

Almost surely, 2^{13553780346923} is an apocalyptic number.

13553780346923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13553780346923 is an equidigital number, since it uses as much as digits as its factorization.

13553780346923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 59.

The spelling of 13553780346923 in words is "thirteen trillion, five hundred fifty-three billion, seven hundred eighty million, three hundred forty-six thousand, nine hundred twenty-three".