121603763723 has 8 divisors (see below), whose sum is σ = 131029761408. Its totient is φ = 112188032064.

The previous prime is 121603763713. The next prime is 121603763731. The reversal of 121603763723 is 327367306121.

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 121603763723 - 2³² = 117308796427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121603763713) 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, 2541890 + ... + 2589287.

It is an arithmetic number, because the mean of its divisors is an integer number (16378720176).

Almost surely, 2^121603763723 is an apocalyptic number.

121603763723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121603763723 is a deficient number, since it is larger than the sum of its proper divisors (9425997685).

121603763723 is a wasteful number, since it uses less digits than its factorization.

121603763723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133013.

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 121603763723 in words is "one hundred twenty-one billion, six hundred three million, seven hundred sixty-three thousand, seven hundred twenty-three".