121341153923 has 8 divisors (see below), whose sum is σ = 132383827440. Its totient is φ = 110300423680.

The previous prime is 121341153919. The next prime is 121341153961. The reversal of 121341153923 is 329351143121.

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 121341153923 - 2² = 121341153919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121341153223) 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, 353690 + ... + 606447.

It is an arithmetic number, because the mean of its divisors is an integer number (16547978430).

Almost surely, 2^121341153923 is an apocalyptic number.

121341153923 is a deficient number, since it is larger than the sum of its proper divisors (11042673517).

121341153923 is a wasteful number, since it uses less digits than its factorization.

121341153923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971637.

The product of its digits is 19440, while the sum is 35.

The spelling of 121341153923 in words is "one hundred twenty-one billion, three hundred forty-one million, one hundred fifty-three thousand, nine hundred twenty-three".