920323021223 has 16 divisors (see below), whose sum is σ = 977562432000. Its totient is φ = 864562886880.

The previous prime is 920323021201. The next prime is 920323021249. The reversal of 920323021223 is 322120323029.

It is a happy number.

It is not a de Polignac number, because 920323021223 - 2²² = 920318826919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920323023223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426878 + ... + 1422276.

It is an arithmetic number, because the mean of its divisors is an integer number (61097652000).

Almost surely, 2^920323021223 is an apocalyptic number.

920323021223 is a deficient number, since it is larger than the sum of its proper divisors (57239410777).

920323021223 is a wasteful number, since it uses less digits than its factorization.

920323021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996142.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 920323021223 in words is "nine hundred twenty billion, three hundred twenty-three million, twenty-one thousand, two hundred twenty-three".