121873280923 has 8 divisors (see below), whose sum is σ = 128601021600. Its totient is φ = 115264615488.

The previous prime is 121873280887. The next prime is 121873280939. The reversal of 121873280923 is 329082378121.

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 121873280923 - 2⁹ = 121873280411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121873280323) 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, 29766708 + ... + 29770801.

It is an arithmetic number, because the mean of its divisors is an integer number (16075127700).

Almost surely, 2^121873280923 is an apocalyptic number.

121873280923 is a deficient number, since it is larger than the sum of its proper divisors (6727740677).

121873280923 is an equidigital number, since it uses as much as digits as its factorization.

121873280923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59537621.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 121873280923 in words is "one hundred twenty-one billion, eight hundred seventy-three million, two hundred eighty thousand, nine hundred twenty-three".