4002121130423 has 8 divisors (see below), whose sum is σ = 4320214082016. Its totient is φ = 3685490676000.

The previous prime is 4002121130393. The next prime is 4002121130429. The reversal of 4002121130423 is 3240311212004.

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 4002121130423 - 2¹² = 4002121126327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002121130429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365618603 + ... + 365629548.

It is an arithmetic number, because the mean of its divisors is an integer number (540026760252).

Almost surely, 2^{4002121130423} is an apocalyptic number.

4002121130423 is a deficient number, since it is larger than the sum of its proper divisors (318092951593).

4002121130423 is a wasteful number, since it uses less digits than its factorization.

4002121130423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731248585.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 4002121130423 its reverse (3240311212004), we get a palindrome (7242432342427).

The spelling of 4002121130423 in words is "four trillion, two billion, one hundred twenty-one million, one hundred thirty thousand, four hundred twenty-three".