120023021305 has 32 divisors (see below), whose sum is σ = 157880596608. Its totient is φ = 86868364800.

The previous prime is 120023021263. The next prime is 120023021333. The reversal of 120023021305 is 503120320021.

It is not a de Polignac number, because 120023021305 - 2¹⁷ = 120022890233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12258622 + ... + 12268408.

It is an arithmetic number, because the mean of its divisors is an integer number (4933768644).

Almost surely, 2^120023021305 is an apocalyptic number.

It is an amenable number.

120023021305 is a deficient number, since it is larger than the sum of its proper divisors (37857575303).

120023021305 is a wasteful number, since it uses less digits than its factorization.

120023021305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10857.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 120023021305 its reverse (503120320021), we get a palindrome (623143341326).

The spelling of 120023021305 in words is "one hundred twenty billion, twenty-three million, twenty-one thousand, three hundred five".