101421432423 has 8 divisors (see below), whose sum is σ = 150253974000. Its totient is φ = 67614288264.

The previous prime is 101421432407. The next prime is 101421432433. The reversal of 101421432423 is 324234124101.

101421432423 is a `hidden beast` number, since 10 + 14 + 214 + 3 + 2 + 423 = 666.

It is not a de Polignac number, because 101421432423 - 2⁴ = 101421432407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3756349349 = 101421432423 / (1 + 0 + 1 + 4 + 2 + 1 + 4 + 3 + 2 + 4 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421432433) 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, 1878174648 + ... + 1878174701.

It is an arithmetic number, because the mean of its divisors is an integer number (18781746750).

Almost surely, 2^101421432423 is an apocalyptic number.

101421432423 is a deficient number, since it is larger than the sum of its proper divisors (48832541577).

101421432423 is an equidigital number, since it uses as much as digits as its factorization.

101421432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756349358 (or 3756349352 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 101421432423 its reverse (324234124101), we get a palindrome (425655556524).

The spelling of 101421432423 in words is "one hundred one billion, four hundred twenty-one million, four hundred thirty-two thousand, four hundred twenty-three".