1020223823 has 2 divisors, whose sum is σ = 1020223824. Its totient is φ = 1020223822.

The previous prime is 1020223801. The next prime is 1020223843. The reversal of 1020223823 is 3283220201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020223823 - 2¹⁴ = 1020207439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020223843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510111911 + 510111912.

It is an arithmetic number, because the mean of its divisors is an integer number (510111912).

Almost surely, 2^1020223823 is an apocalyptic number.

1020223823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020223823 is an equidigital number, since it uses as much as digits as its factorization.

1020223823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1020223823 is about 31940.9427381222. The cubic root of 1020223823 is about 1006.6963333630.

The spelling of 1020223823 in words is "one billion, twenty million, two hundred twenty-three thousand, eight hundred twenty-three".