19842012012023 has 4 divisors (see below), whose sum is σ = 20167290897528. Its totient is φ = 19516733126520.

The previous prime is 19842012012019. The next prime is 19842012012161. The reversal of 19842012012023 is 32021021024891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19842012012023 - 2² = 19842012012019 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 (19842012012013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162639442661 + ... + 162639442782.

It is an arithmetic number, because the mean of its divisors is an integer number (5041822724382).

Almost surely, 2^{19842012012023} is an apocalyptic number.

19842012012023 is a deficient number, since it is larger than the sum of its proper divisors (325278885505).

19842012012023 is an equidigital number, since it uses as much as digits as its factorization.

19842012012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325278885504.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 19842012012023 in words is "nineteen trillion, eight hundred forty-two billion, twelve million, twelve thousand, twenty-three".