18223380053 has 2 divisors, whose sum is σ = 18223380054. Its totient is φ = 18223380052.

The previous prime is 18223380023. The next prime is 18223380067. The reversal of 18223380053 is 35008332281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14085417124 + 4137962929 = 118682^2 + 64327^2 .

It is a cyclic number.

It is not a de Polignac number, because 18223380053 - 2¹⁶ = 18223314517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18223379995 and 18223380022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18223380023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9111690026 + 9111690027.

It is an arithmetic number, because the mean of its divisors is an integer number (9111690027).

Almost surely, 2^18223380053 is an apocalyptic number.

It is an amenable number.

18223380053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18223380053 is an equidigital number, since it uses as much as digits as its factorization.

18223380053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 18223380053 in words is "eighteen billion, two hundred twenty-three million, three hundred eighty thousand, fifty-three".