120423223555511 has 8 divisors (see below), whose sum is σ = 120730508974320. Its totient is φ = 120116032800192.

The previous prime is 120423223555501. The next prime is 120423223555519. The reversal of 120423223555511 is 115555322324021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120423223555511 - 2¹⁴ = 120423223539127 is a prime.

It is a super-2 number, since 2×120423223555511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120423223555519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21118040 + ... + 26207213.

It is an arithmetic number, because the mean of its divisors is an integer number (15091313621790).

Almost surely, 2^{120423223555511} is an apocalyptic number.

120423223555511 is a deficient number, since it is larger than the sum of its proper divisors (307285418809).

120423223555511 is an equidigital number, since it uses as much as digits as its factorization.

120423223555511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47331745.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 120423223555511 its reverse (115555322324021), we get a palindrome (235978545879532).

The spelling of 120423223555511 in words is "one hundred twenty trillion, four hundred twenty-three billion, two hundred twenty-three million, five hundred fifty-five thousand, five hundred eleven".