121022123023 has 4 divisors (see below), whose sum is σ = 121199315688. Its totient is φ = 120844930360.

The previous prime is 121022123009. The next prime is 121022123099. The reversal of 121022123023 is 320321220121.

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 121022123023 - 2¹³ = 121022114831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022123723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88595308 + ... + 88596673.

It is an arithmetic number, because the mean of its divisors is an integer number (30299828922).

Almost surely, 2^121022123023 is an apocalyptic number.

121022123023 is a deficient number, since it is larger than the sum of its proper divisors (177192665).

121022123023 is an equidigital number, since it uses as much as digits as its factorization.

121022123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177192664.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121022123023 its reverse (320321220121), we get a palindrome (441343343144).

The spelling of 121022123023 in words is "one hundred twenty-one billion, twenty-two million, one hundred twenty-three thousand, twenty-three".