19423139101 has 8 divisors (see below), whose sum is σ = 20480251680. Its totient is φ = 18369510768.

The previous prime is 19423139089. The next prime is 19423139167. The reversal of 19423139101 is 10193132491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19423139101 - 2¹⁵ = 19423106333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19423130101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859606 + ... + 881911.

It is an arithmetic number, because the mean of its divisors is an integer number (2560031460).

Almost surely, 2^19423139101 is an apocalyptic number.

It is an amenable number.

19423139101 is a deficient number, since it is larger than the sum of its proper divisors (1057112579).

19423139101 is a wasteful number, since it uses less digits than its factorization.

19423139101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742123.

The product of its (nonzero) digits is 5832, while the sum is 34.

It can be divided in two parts, 194231 and 39101, that added together give a palindrome (233332).

The spelling of 19423139101 in words is "nineteen billion, four hundred twenty-three million, one hundred thirty-nine thousand, one hundred one".