223044100381 has 2 divisors, whose sum is σ = 223044100382. Its totient is φ = 223044100380.

The previous prime is 223044100337. The next prime is 223044100453. The reversal of 223044100381 is 183001440322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221708197881 + 1335902500 = 470859^2 + 36550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223044100381 is a prime.

It is a super-2 number, since 2×223044100381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223044101381) 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 as a sum of consecutive naturals, namely, 111522050190 + 111522050191.

It is an arithmetic number, because the mean of its divisors is an integer number (111522050191).

Almost surely, 2^223044100381 is an apocalyptic number.

It is an amenable number.

223044100381 is a deficient number, since it is larger than the sum of its proper divisors (1).

223044100381 is an equidigital number, since it uses as much as digits as its factorization.

223044100381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 223044100381 in words is "two hundred twenty-three billion, forty-four million, one hundred thousand, three hundred eighty-one".