121025233423 has 2 divisors, whose sum is σ = 121025233424. Its totient is φ = 121025233422.

The previous prime is 121025233393. The next prime is 121025233429. The reversal of 121025233423 is 324332520121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121025233423 - 2⁵ = 121025233391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121025233391 and 121025233400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121025233429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60512616711 + 60512616712.

It is an arithmetic number, because the mean of its divisors is an integer number (60512616712).

Almost surely, 2^121025233423 is an apocalyptic number.

121025233423 is a deficient number, since it is larger than the sum of its proper divisors (1).

121025233423 is an equidigital number, since it uses as much as digits as its factorization.

121025233423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 121025233423 its reverse (324332520121), we get a palindrome (445357753544).

The spelling of 121025233423 in words is "one hundred twenty-one billion, twenty-five million, two hundred thirty-three thousand, four hundred twenty-three".