121334442423 has 8 divisors (see below), whose sum is σ = 161785484928. Its totient is φ = 80886514104.

The previous prime is 121334442419. The next prime is 121334442469. The reversal of 121334442423 is 324244433121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121334442423 - 2² = 121334442419 is a prime.

It is a super-2 number, since 2×121334442423² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121334442473) 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, 686065 + ... + 844602.

It is an arithmetic number, because the mean of its divisors is an integer number (20223185616).

Almost surely, 2^121334442423 is an apocalyptic number.

121334442423 is a deficient number, since it is larger than the sum of its proper divisors (40451042505).

121334442423 is a wasteful number, since it uses less digits than its factorization.

121334442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557093.

The product of its digits is 55296, while the sum is 33.

Adding to 121334442423 its reverse (324244433121), we get a palindrome (445578875544).

The spelling of 121334442423 in words is "one hundred twenty-one billion, three hundred thirty-four million, four hundred forty-two thousand, four hundred twenty-three".