223439643743 has 2 divisors, whose sum is σ = 223439643744. Its totient is φ = 223439643742.

The previous prime is 223439643677. The next prime is 223439643751. The reversal of 223439643743 is 347346934322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223439643743 - 2¹⁶ = 223439578207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223439643691 and 223439643700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223439643793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111719821871 + 111719821872.

It is an arithmetic number, because the mean of its divisors is an integer number (111719821872).

Almost surely, 2^223439643743 is an apocalyptic number.

223439643743 is a deficient number, since it is larger than the sum of its proper divisors (1).

223439643743 is an equidigital number, since it uses as much as digits as its factorization.

223439643743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 50.

The spelling of 223439643743 in words is "two hundred twenty-three billion, four hundred thirty-nine million, six hundred forty-three thousand, seven hundred forty-three".