121240004323 has 2 divisors, whose sum is σ = 121240004324. Its totient is φ = 121240004322.

The previous prime is 121240004317. The next prime is 121240004377. The reversal of 121240004323 is 323400042121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121240004323 - 2¹³ = 121239996131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121240004294 and 121240004303.

It is not a weakly prime, because it can be changed into another prime (121240004723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60620002161 + 60620002162.

It is an arithmetic number, because the mean of its divisors is an integer number (60620002162).

Almost surely, 2^121240004323 is an apocalyptic number.

121240004323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121240004323 is an equidigital number, since it uses as much as digits as its factorization.

121240004323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 121240004323 its reverse (323400042121), we get a palindrome (444640046444).

The spelling of 121240004323 in words is "one hundred twenty-one billion, two hundred forty million, four thousand, three hundred twenty-three".