18473103700823 has 2 divisors, whose sum is σ = 18473103700824. Its totient is φ = 18473103700822.

The previous prime is 18473103700819. The next prime is 18473103700867. The reversal of 18473103700823 is 32800730137481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18473103700823 - 2² = 18473103700819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18473103720823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9236551850411 + 9236551850412.

It is an arithmetic number, because the mean of its divisors is an integer number (9236551850412).

Almost surely, 2^{18473103700823} is an apocalyptic number.

18473103700823 is a deficient number, since it is larger than the sum of its proper divisors (1).

18473103700823 is an equidigital number, since it uses as much as digits as its factorization.

18473103700823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 18473103700823 in words is "eighteen trillion, four hundred seventy-three billion, one hundred three million, seven hundred thousand, eight hundred twenty-three".