121000023023 has 16 divisors (see below), whose sum is σ = 137153381760. Its totient is φ = 105738981600.

The previous prime is 121000023007. The next prime is 121000023029. The reversal of 121000023023 is 320320000121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121000023023 - 2⁴ = 121000023007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121000022989 and 121000023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000023029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763073 + ... + 907898.

It is an arithmetic number, because the mean of its divisors is an integer number (8572086360).

Almost surely, 2^121000023023 is an apocalyptic number.

121000023023 is a deficient number, since it is larger than the sum of its proper divisors (16153358737).

121000023023 is a wasteful number, since it uses less digits than its factorization.

121000023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671238.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 121000023023 its reverse (320320000121), we get a palindrome (441320023144).

The spelling of 121000023023 in words is "one hundred twenty-one billion, twenty-three thousand, twenty-three".