4013021043123 has 8 divisors (see below), whose sum is σ = 5352677208000. Its totient is φ = 2674356120168.

The previous prime is 4013021043091. The next prime is 4013021043191. The reversal of 4013021043123 is 3213401203104.

It is a happy number.

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

It is not a de Polignac number, because 4013021043123 - 2⁵ = 4013021043091 is a prime.

It is a super-2 number, since 2×4013021043123² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4013021043093 and 4013021043102.

It is not an unprimeable number, because it can be changed into a prime (4013021043223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 247801033 + ... + 247817226.

It is an arithmetic number, because the mean of its divisors is an integer number (669084651000).

Almost surely, 2^{4013021043123} is an apocalyptic number.

4013021043123 is a deficient number, since it is larger than the sum of its proper divisors (1339656164877).

4013021043123 is a wasteful number, since it uses less digits than its factorization.

4013021043123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495620961.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 4013021043123 its reverse (3213401203104), we get a palindrome (7226422246227).

The spelling of 4013021043123 in words is "four trillion, thirteen billion, twenty-one million, forty-three thousand, one hundred twenty-three".