19381605012023 has 12 divisors (see below), whose sum is σ = 20580871322808. Its totient is φ = 18248873117040.

The previous prime is 19381605012017. The next prime is 19381605012073. The reversal of 19381605012023 is 32021050618391.

It is not a de Polignac number, because 19381605012023 - 2¹⁸ = 19381604749879 is a prime.

It is a super-2 number, since 2×19381605012023² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19381605012013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164630288 + ... + 164747973.

It is an arithmetic number, because the mean of its divisors is an integer number (1715072610234).

Almost surely, 2^{19381605012023} is an apocalyptic number.

19381605012023 is a deficient number, since it is larger than the sum of its proper divisors (1199266310785).

19381605012023 is a wasteful number, since it uses less digits than its factorization.

19381605012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329378462 (or 329378443 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 19381605012023 in words is "nineteen trillion, three hundred eighty-one billion, six hundred five million, twelve thousand, twenty-three".