4121400121023 has 4 divisors (see below), whose sum is σ = 5495200161368. Its totient is φ = 2747600080680.

The previous prime is 4121400120967. The next prime is 4121400121061. The reversal of 4121400121023 is 3201210041214.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4121400121023 - 2¹⁷ = 4121399989951 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 (4121400121123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686900020168 + ... + 686900020173.

It is an arithmetic number, because the mean of its divisors is an integer number (1373800040342).

Almost surely, 2^{4121400121023} is an apocalyptic number.

4121400121023 is a deficient number, since it is larger than the sum of its proper divisors (1373800040345).

4121400121023 is a wasteful number, since it uses less digits than its factorization.

4121400121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373800040344.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 4121400121023 its reverse (3201210041214), we get a palindrome (7322610162237).

The spelling of 4121400121023 in words is "four trillion, one hundred twenty-one billion, four hundred million, one hundred twenty-one thousand, twenty-three".