101640222423 has 6 divisors (see below), whose sum is σ = 146813654624. Its totient is φ = 67760148276.

The previous prime is 101640222407. The next prime is 101640222449. The reversal of 101640222423 is 324222046101.

101640222423 is a `hidden beast` number, since 1 + 0 + 16 + 4 + 0 + 222 + 423 = 666.

It is not a de Polignac number, because 101640222423 - 2⁴ = 101640222407 is a prime.

It is a super-3 number, since 3×101640222423³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101640222403) 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 5 ways as a sum of consecutive naturals, for example, 5646679015 + ... + 5646679032.

Almost surely, 2^101640222423 is an apocalyptic number.

101640222423 is a deficient number, since it is larger than the sum of its proper divisors (45173432201).

101640222423 is a wasteful number, since it uses less digits than its factorization.

101640222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293358053 (or 11293358050 counting only the distinct ones).

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

Adding to 101640222423 its reverse (324222046101), we get a palindrome (425862268524).

The spelling of 101640222423 in words is "one hundred one billion, six hundred forty million, two hundred twenty-two thousand, four hundred twenty-three".