12019000023 has 16 divisors (see below), whose sum is σ = 17809705440. Its totient is φ = 8010965952.

The previous prime is 12018999997. The next prime is 12019000027. The reversal of 12019000023 is 32000091021.

It is a happy number.

It is not a de Polignac number, because 12019000023 - 2⁸ = 12018999767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12019000027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89515 + ... + 179027.

It is an arithmetic number, because the mean of its divisors is an integer number (1113106590).

Almost surely, 2^12019000023 is an apocalyptic number.

12019000023 is a deficient number, since it is larger than the sum of its proper divisors (5790705417).

12019000023 is an equidigital number, since it uses as much as digits as its factorization.

12019000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94495 (or 94489 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12019000023 its reverse (32000091021), we get a palindrome (44019091044).

The spelling of 12019000023 in words is "twelve billion, nineteen million, twenty-three", and thus it is an aban number and an uban number.