121433423001 has 16 divisors (see below), whose sum is σ = 177755475648. Its totient is φ = 73127246400.

The previous prime is 121433422973. The next prime is 121433423021. The reversal of 121433423001 is 100324334121.

It is a happy number.

It is not a de Polignac number, because 121433423001 - 2³⁰ = 120359681177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121433423021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11713930 + ... + 11724291.

It is an arithmetic number, because the mean of its divisors is an integer number (11109717228).

Almost surely, 2^121433423001 is an apocalyptic number.

121433423001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121433423001 is a deficient number, since it is larger than the sum of its proper divisors (56322052647).

121433423001 is a wasteful number, since it uses less digits than its factorization.

121433423001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23438392.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121433423001 its reverse (100324334121), we get a palindrome (221757757122).

The spelling of 121433423001 in words is "one hundred twenty-one billion, four hundred thirty-three million, four hundred twenty-three thousand, one".