12023423411555 has 64 divisors (see below), whose sum is σ = 15092939796480. Its totient is φ = 9183666240000.

The previous prime is 12023423411491. The next prime is 12023423411579. The reversal of 12023423411555 is 55511432432021.

It is not a de Polignac number, because 12023423411555 - 2⁶ = 12023423411491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5447857262 + ... + 5447859468.

It is an arithmetic number, because the mean of its divisors is an integer number (235827184320).

Almost surely, 2^{12023423411555} is an apocalyptic number.

12023423411555 is a deficient number, since it is larger than the sum of its proper divisors (3069516384925).

12023423411555 is a wasteful number, since it uses less digits than its factorization.

12023423411555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 12023423411555 its reverse (55511432432021), we get a palindrome (67534855843576).

The spelling of 12023423411555 in words is "twelve trillion, twenty-three billion, four hundred twenty-three million, four hundred eleven thousand, five hundred fifty-five".