121134002023 has 4 divisors (see below), whose sum is σ = 121147274488. Its totient is φ = 121120729560.

The previous prime is 121134002009. The next prime is 121134002051. The reversal of 121134002023 is 320200431121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320200431121 = 131449 ⋅2435929.

It is a cyclic number.

It is not a de Polignac number, because 121134002023 - 2⁹ = 121134001511 is a prime.

It is a super-2 number, since 2×121134002023² (a number of 23 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 (121134002053) 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, 6622533 + ... + 6640798.

It is an arithmetic number, because the mean of its divisors is an integer number (30286818622).

Almost surely, 2^121134002023 is an apocalyptic number.

121134002023 is a deficient number, since it is larger than the sum of its proper divisors (13272465).

121134002023 is an equidigital number, since it uses as much as digits as its factorization.

121134002023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272464.

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

Adding to 121134002023 its reverse (320200431121), we get a palindrome (441334433144).

The spelling of 121134002023 in words is "one hundred twenty-one billion, one hundred thirty-four million, two thousand, twenty-three".