223057371811 has 2 divisors, whose sum is σ = 223057371812. Its totient is φ = 223057371810.

The previous prime is 223057371781. The next prime is 223057371827. The reversal of 223057371811 is 118173750322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223057371811 - 2⁷ = 223057371683 is a prime.

It is a super-2 number, since 2×223057371811² (a number of 23 digits) contains 22 as substring.

It is the 472290-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (223057377811) by changing a digit.

It is a nontrivial repunit in base 472289.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111528685905 + 111528685906.

It is an arithmetic number, because the mean of its divisors is an integer number (111528685906).

Almost surely, 2^223057371811 is an apocalyptic number.

223057371811 is a deficient number, since it is larger than the sum of its proper divisors (1).

223057371811 is an equidigital number, since it uses as much as digits as its factorization.

223057371811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 223057371811 in words is "two hundred twenty-three billion, fifty-seven million, three hundred seventy-one thousand, eight hundred eleven".