121430023323 has 16 divisors (see below), whose sum is σ = 186214805760. Its totient is φ = 68946617376.

The previous prime is 121430023303. The next prime is 121430023331. The reversal of 121430023323 is 323320034121.

It is not a de Polignac number, because 121430023323 - 2⁸ = 121430023067 is a prime.

It is a super-4 number, since 4×121430023323⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121430023293 and 121430023302.

It is not an unprimeable number, because it can be changed into a prime (121430023303) 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 15 ways as a sum of consecutive naturals, for example, 18411933 + ... + 18418526.

It is an arithmetic number, because the mean of its divisors is an integer number (11638425360).

Almost surely, 2^121430023323 is an apocalyptic number.

121430023323 is a deficient number, since it is larger than the sum of its proper divisors (64784782437).

121430023323 is a wasteful number, since it uses less digits than its factorization.

121430023323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36830626.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 121430023323 its reverse (323320034121), we get a palindrome (444750057444).

The spelling of 121430023323 in words is "one hundred twenty-one billion, four hundred thirty million, twenty-three thousand, three hundred twenty-three".