121023223023 has 32 divisors (see below), whose sum is σ = 186050476800. Its totient is φ = 69458812416.

The previous prime is 121023223001. The next prime is 121023223051. The reversal of 121023223023 is 320322320121.

It is a happy number.

It is not a de Polignac number, because 121023223023 - 2⁸ = 121023222767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121023223063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2125261 + ... + 2181462.

It is an arithmetic number, because the mean of its divisors is an integer number (5814077400).

Almost surely, 2^121023223023 is an apocalyptic number.

121023223023 is a deficient number, since it is larger than the sum of its proper divisors (65027253777).

121023223023 is a wasteful number, since it uses less digits than its factorization.

121023223023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306791.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121023223023 its reverse (320322320121), we get a palindrome (441345543144).

The spelling of 121023223023 in words is "one hundred twenty-one billion, twenty-three million, two hundred twenty-three thousand, twenty-three".