121041243044423 has 8 divisors (see below), whose sum is σ = 131505666372528. Its totient is φ = 110741613784704.

The previous prime is 121041243044329. The next prime is 121041243044431. The reversal of 121041243044423 is 324440342140121.

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 121041243044423 - 2²⁴ = 121041226267207 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 (121041243044723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41198515565 + ... + 41198518502.

It is an arithmetic number, because the mean of its divisors is an integer number (16438208296566).

Almost surely, 2^{121041243044423} is an apocalyptic number.

121041243044423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121041243044423 is a deficient number, since it is larger than the sum of its proper divisors (10464423328105).

121041243044423 is a wasteful number, since it uses less digits than its factorization.

121041243044423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82397034193.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 121041243044423 its reverse (324440342140121), we get a palindrome (445481585184544).

The spelling of 121041243044423 in words is "one hundred twenty-one trillion, forty-one billion, two hundred forty-three million, forty-four thousand, four hundred twenty-three".