120223134465 has 16 divisors (see below), whose sum is σ = 219836588928. Its totient is φ = 54959147136.

The previous prime is 120223134433. The next prime is 120223134509. The reversal of 120223134465 is 564431322021.

It is not a de Polignac number, because 120223134465 - 2⁵ = 120223134433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572491012 + ... + 572491221.

It is an arithmetic number, because the mean of its divisors is an integer number (13739786808).

Almost surely, 2^120223134465 is an apocalyptic number.

120223134465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120223134465 is a deficient number, since it is larger than the sum of its proper divisors (99613454463).

120223134465 is a wasteful number, since it uses less digits than its factorization.

120223134465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144982248.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 120223134465 its reverse (564431322021), we get a palindrome (684654456486).

The spelling of 120223134465 in words is "one hundred twenty billion, two hundred twenty-three million, one hundred thirty-four thousand, four hundred sixty-five".