121829702423 has 8 divisors (see below), whose sum is σ = 143128601616. Its totient is φ = 102234715200.

The previous prime is 121829702417. The next prime is 121829702459. The reversal of 121829702423 is 324207928121.

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 121829702423 - 2¹⁴ = 121829686039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121829702473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425977838 + ... + 425978123.

It is an arithmetic number, because the mean of its divisors is an integer number (17891075202).

Almost surely, 2^121829702423 is an apocalyptic number.

121829702423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121829702423 is a deficient number, since it is larger than the sum of its proper divisors (21298899193).

121829702423 is a wasteful number, since it uses less digits than its factorization.

121829702423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851955985.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 121829702423 in words is "one hundred twenty-one billion, eight hundred twenty-nine million, seven hundred two thousand, four hundred twenty-three".