1363653223 has 4 divisors (see below), whose sum is σ = 1363754448. Its totient is φ = 1363552000.

The previous prime is 1363653191. The next prime is 1363653227. The reversal of 1363653223 is 3223563631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3223563631 = 4073 ⋅791447.

It is a cyclic number.

It is not a de Polignac number, because 1363653223 - 2⁵ = 1363653191 is a prime.

It is a super-2 number, since 2×1363653223² = 3719100225196575458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363653227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26611 + ... + 58612.

It is an arithmetic number, because the mean of its divisors is an integer number (340938612).

Almost surely, 2^1363653223 is an apocalyptic number.

1363653223 is a deficient number, since it is larger than the sum of its proper divisors (101225).

1363653223 is an equidigital number, since it uses as much as digits as its factorization.

1363653223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101224.

The product of its digits is 58320, while the sum is 34.

The square root of 1363653223 is about 36927.6755699570. The cubic root of 1363653223 is about 1108.9228039607.

The spelling of 1363653223 in words is "one billion, three hundred sixty-three million, six hundred fifty-three thousand, two hundred twenty-three".