121320320110023 has 8 divisors (see below), whose sum is σ = 161765381776768. Its totient is φ = 80877735924984.

The previous prime is 121320320110019. The next prime is 121320320110057. The reversal of 121320320110023 is 320011023023121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121320320110023 - 2² = 121320320110019 is a prime.

It is a super-2 number, since 2×121320320110023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320320010023) 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, 619256161 + ... + 619452042.

It is an arithmetic number, because the mean of its divisors is an integer number (20220672722096).

Almost surely, 2^{121320320110023} is an apocalyptic number.

121320320110023 is a deficient number, since it is larger than the sum of its proper divisors (40445061666745).

121320320110023 is a wasteful number, since it uses less digits than its factorization.

121320320110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238740853.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121320320110023 its reverse (320011023023121), we get a palindrome (441331343133144).

The spelling of 121320320110023 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred twenty million, one hundred ten thousand, twenty-three".