121103242300423 has 16 divisors (see below), whose sum is σ = 135337615348320. Its totient is φ = 107691107613696.

The previous prime is 121103242300351. The next prime is 121103242300477. The reversal of 121103242300423 is 324003242301121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121103242300423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121103242300391 and 121103242300400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103242307423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502470190 + ... + 502711147.

It is an arithmetic number, because the mean of its divisors is an integer number (8458600959270).

Almost surely, 2^{121103242300423} is an apocalyptic number.

121103242300423 is a deficient number, since it is larger than the sum of its proper divisors (14234373047897).

121103242300423 is a wasteful number, since it uses less digits than its factorization.

121103242300423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005181746.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 121103242300423 its reverse (324003242301121), we get a palindrome (445106484601544).

The spelling of 121103242300423 in words is "one hundred twenty-one trillion, one hundred three billion, two hundred forty-two million, three hundred thousand, four hundred twenty-three".