121713262923 has 32 divisors (see below), whose sum is σ = 187000176640. Its totient is φ = 68976230400.

The previous prime is 121713262921. The next prime is 121713262961. The reversal of 121713262923 is 329262317121.

It is a happy number.

It is not a de Polignac number, because 121713262923 - 2¹ = 121713262921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121713262921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8444523 + ... + 8458923.

It is an arithmetic number, because the mean of its divisors is an integer number (5843755520).

Almost surely, 2^121713262923 is an apocalyptic number.

121713262923 is a deficient number, since it is larger than the sum of its proper divisors (65286913717).

121713262923 is a wasteful number, since it uses less digits than its factorization.

121713262923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17707.

The product of its digits is 54432, while the sum is 39.

The spelling of 121713262923 in words is "one hundred twenty-one billion, seven hundred thirteen million, two hundred sixty-two thousand, nine hundred twenty-three".