121312001322023 has 4 divisors (see below), whose sum is σ = 121315224913488. Its totient is φ = 121308777730560.

The previous prime is 121312001321969. The next prime is 121312001322059. The reversal of 121312001322023 is 320223100213121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121312001322023 - 2¹⁰ = 121312001320999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121312001322023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121312001322823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611739283 + ... + 1611814548.

It is an arithmetic number, because the mean of its divisors is an integer number (30328806228372).

Almost surely, 2^{121312001322023} is an apocalyptic number.

121312001322023 is a deficient number, since it is larger than the sum of its proper divisors (3223591465).

121312001322023 is an equidigital number, since it uses as much as digits as its factorization.

121312001322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223591464.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121312001322023 its reverse (320223100213121), we get a palindrome (441535101535144).

The spelling of 121312001322023 in words is "one hundred twenty-one trillion, three hundred twelve billion, one million, three hundred twenty-two thousand, twenty-three".