223920551311 has 4 divisors (see below), whose sum is σ = 223931229624. Its totient is φ = 223909873000.

The previous prime is 223920551291. The next prime is 223920551353. The reversal of 223920551311 is 113155029322.

223920551311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 223920551311 - 2¹⁵ = 223920518543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223920551411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5307640 + ... + 5349661.

It is an arithmetic number, because the mean of its divisors is an integer number (55982807406).

Almost surely, 2^223920551311 is an apocalyptic number.

223920551311 is a deficient number, since it is larger than the sum of its proper divisors (10678313).

223920551311 is a wasteful number, since it uses less digits than its factorization.

223920551311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10678312.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 223920551311 in words is "two hundred twenty-three billion, nine hundred twenty million, five hundred fifty-one thousand, three hundred eleven".