4023120213243 has 12 divisors (see below), whose sum is σ = 6063833365200. Its totient is φ = 2565467961936.

The previous prime is 4023120213239. The next prime is 4023120213331. The reversal of 4023120213243 is 3423120213204.

4023120213243 is a `hidden beast` number, since 4 + 0 + 2 + 312 + 0 + 21 + 324 + 3 = 666.

It is not a de Polignac number, because 4023120213243 - 2² = 4023120213239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4023120213943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9717681468 + ... + 9717681881.

It is an arithmetic number, because the mean of its divisors is an integer number (505319447100).

Almost surely, 2^{4023120213243} is an apocalyptic number.

4023120213243 is a deficient number, since it is larger than the sum of its proper divisors (2040713151957).

4023120213243 is a wasteful number, since it uses less digits than its factorization.

4023120213243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19435363378 (or 19435363375 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4023120213243 its reverse (3423120213204), we get a palindrome (7446240426447).

The spelling of 4023120213243 in words is "four trillion, twenty-three billion, one hundred twenty million, two hundred thirteen thousand, two hundred forty-three".