223663130105551 has 4 divisors (see below), whose sum is σ = 223667711256112. Its totient is φ = 223658548954992.

The previous prime is 223663130105489. The next prime is 223663130105557. The reversal of 223663130105551 is 155501031366322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223663130105551 - 2²³ = 223663121716943 is a prime.

It is a super-2 number, since 2×223663130105551² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223663130105498 and 223663130105507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223663130105557) 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, 2290502046 + ... + 2290599691.

It is an arithmetic number, because the mean of its divisors is an integer number (55916927814028).

Almost surely, 2^{223663130105551} is an apocalyptic number.

223663130105551 is a deficient number, since it is larger than the sum of its proper divisors (4581150561).

223663130105551 is an equidigital number, since it uses as much as digits as its factorization.

223663130105551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581150560.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 223663130105551 in words is "two hundred twenty-three trillion, six hundred sixty-three billion, one hundred thirty million, one hundred five thousand, five hundred fifty-one".