223023312401 has 4 divisors (see below), whose sum is σ = 223024306212. Its totient is φ = 223022318592.

The previous prime is 223023312383. The next prime is 223023312419. The reversal of 223023312401 is 104213320322.

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.

It is an interprime number because it is at equal distance from previous prime (223023312383) and next prime (223023312419).

It can be written as a sum of positive squares in 2 ways, for example, as 12544224001 + 210479088400 = 112001^2 + 458780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223023312401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223023312451) 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, 16601 + ... + 668073.

It is an arithmetic number, because the mean of its divisors is an integer number (55756076553).

Almost surely, 2^223023312401 is an apocalyptic number.

It is an amenable number.

223023312401 is a deficient number, since it is larger than the sum of its proper divisors (993811).

223023312401 is an equidigital number, since it uses as much as digits as its factorization.

223023312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993810.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223023312401 its reverse (104213320322), we get a palindrome (327236632723).

The spelling of 223023312401 in words is "two hundred twenty-three billion, twenty-three million, three hundred twelve thousand, four hundred one".