101020342423 has 96 divisors (see below), whose sum is σ = 143287603200. Its totient is φ = 69170492160.

The previous prime is 101020342417. The next prime is 101020342447. The reversal of 101020342423 is 324243020101.

It is a de Polignac number, because none of the positive numbers 2^k-101020342423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101020342394 and 101020342403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020342453) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60526633 + ... + 60528301.

It is an arithmetic number, because the mean of its divisors is an integer number (1492579200).

Almost surely, 2^101020342423 is an apocalyptic number.

101020342423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101020342423 is a deficient number, since it is larger than the sum of its proper divisors (42267260777).

101020342423 is a wasteful number, since it uses less digits than its factorization.

101020342423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973 (or 1962 counting only the distinct ones).

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

Adding to 101020342423 its reverse (324243020101), we get a palindrome (425263362524).

The spelling of 101020342423 in words is "one hundred one billion, twenty million, three hundred forty-two thousand, four hundred twenty-three".