121232423053 has 16 divisors (see below), whose sum is σ = 138895550080. Its totient is φ = 103655655936.

The previous prime is 121232423033. The next prime is 121232423057. The reversal of 121232423053 is 350324232121.

It is a happy number.

It is not a de Polignac number, because 121232423053 - 2⁵ = 121232423021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232423057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5069701 + ... + 5093557.

It is an arithmetic number, because the mean of its divisors is an integer number (8680971880).

Almost surely, 2^121232423053 is an apocalyptic number.

It is an amenable number.

121232423053 is a deficient number, since it is larger than the sum of its proper divisors (17663127027).

121232423053 is a wasteful number, since it uses less digits than its factorization.

121232423053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25636.

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

Adding to 121232423053 its reverse (350324232121), we get a palindrome (471556655174).

The spelling of 121232423053 in words is "one hundred twenty-one billion, two hundred thirty-two million, four hundred twenty-three thousand, fifty-three".