4021123031043 has 8 divisors (see below), whose sum is σ = 5506402709328. Its totient is φ = 2608296020064.

The previous prime is 4021123030973. The next prime is 4021123031087. The reversal of 4021123031043 is 3401303211204.

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 4021123031043 - 2⁸ = 4021123030787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021123031543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18113166696 + ... + 18113166917.

It is an arithmetic number, because the mean of its divisors is an integer number (688300338666).

Almost surely, 2^{4021123031043} is an apocalyptic number.

4021123031043 is a deficient number, since it is larger than the sum of its proper divisors (1485279678285).

4021123031043 is a wasteful number, since it uses less digits than its factorization.

4021123031043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36226333653.

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

Adding to 4021123031043 its reverse (3401303211204), we get a palindrome (7422426242247).

The spelling of 4021123031043 in words is "four trillion, twenty-one billion, one hundred twenty-three million, thirty-one thousand, forty-three".