121102324423 has 4 divisors (see below), whose sum is σ = 122761260448. Its totient is φ = 119443388400.

The previous prime is 121102324417. The next prime is 121102324457. The reversal of 121102324423 is 324423201121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121102324423 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 (121102324463) 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 3 ways as a sum of consecutive naturals, for example, 829467903 + ... + 829468048.

It is an arithmetic number, because the mean of its divisors is an integer number (30690315112).

Almost surely, 2^121102324423 is an apocalyptic number.

121102324423 is a deficient number, since it is larger than the sum of its proper divisors (1658936025).

121102324423 is an equidigital number, since it uses as much as digits as its factorization.

121102324423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658936024.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121102324423 its reverse (324423201121), we get a palindrome (445525525544).

The spelling of 121102324423 in words is "one hundred twenty-one billion, one hundred two million, three hundred twenty-four thousand, four hundred twenty-three".