223246956401 has 4 divisors (see below), whose sum is σ = 255139378752. Its totient is φ = 191354534052.

The previous prime is 223246956391. The next prime is 223246956403. The reversal of 223246956401 is 104659642322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223246956401 is a prime.

It is a super-3 number, since 3×223246956401³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223246956403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15946211165 + ... + 15946211178.

It is an arithmetic number, because the mean of its divisors is an integer number (63784844688).

Almost surely, 2^223246956401 is an apocalyptic number.

It is an amenable number.

223246956401 is a deficient number, since it is larger than the sum of its proper divisors (31892422351).

223246956401 is an equidigital number, since it uses as much as digits as its factorization.

223246956401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31892422350.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 223246956401 in words is "two hundred twenty-three billion, two hundred forty-six million, nine hundred fifty-six thousand, four hundred one".