223795781423 has 2 divisors, whose sum is σ = 223795781424. Its totient is φ = 223795781422.

The previous prime is 223795781357. The next prime is 223795781519. The reversal of 223795781423 is 324187597322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223795781423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223795780423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111897890711 + 111897890712.

It is an arithmetic number, because the mean of its divisors is an integer number (111897890712).

Almost surely, 2^223795781423 is an apocalyptic number.

223795781423 is a deficient number, since it is larger than the sum of its proper divisors (1).

223795781423 is an equidigital number, since it uses as much as digits as its factorization.

223795781423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 53.

The spelling of 223795781423 in words is "two hundred twenty-three billion, seven hundred ninety-five million, seven hundred eighty-one thousand, four hundred twenty-three".