12435120323 has 8 divisors (see below), whose sum is σ = 13091332800. Its totient is φ = 11779081128.

The previous prime is 12435120319. The next prime is 12435120329. The reversal of 12435120323 is 32302153421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12435120323 - 2² = 12435120319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12435120292 and 12435120301.

It is not an unprimeable number, because it can be changed into a prime (12435120329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119768 + ... + 198026.

It is an arithmetic number, because the mean of its divisors is an integer number (1636416600).

Almost surely, 2^12435120323 is an apocalyptic number.

12435120323 is a deficient number, since it is larger than the sum of its proper divisors (656212477).

12435120323 is an equidigital number, since it uses as much as digits as its factorization.

12435120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86641.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12435120323 its reverse (32302153421), we get a palindrome (44737273744).

The spelling of 12435120323 in words is "twelve billion, four hundred thirty-five million, one hundred twenty thousand, three hundred twenty-three".