223261304051 has 4 divisors (see below), whose sum is σ = 223359529512. Its totient is φ = 223163078592.

The previous prime is 223261304033. The next prime is 223261304059. The reversal of 223261304051 is 150403162322.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223261304051 is a prime.

It is a super-3 number, since 3×223261304051³ (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 (223261304059) 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, 49109321 + ... + 49113866.

It is an arithmetic number, because the mean of its divisors is an integer number (55839882378).

Almost surely, 2^223261304051 is an apocalyptic number.

223261304051 is a deficient number, since it is larger than the sum of its proper divisors (98225461).

223261304051 is an equidigital number, since it uses as much as digits as its factorization.

223261304051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98225460.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 223261304051 its reverse (150403162322), we get a palindrome (373664466373).

The spelling of 223261304051 in words is "two hundred twenty-three billion, two hundred sixty-one million, three hundred four thousand, fifty-one".