19041272923 has 2 divisors, whose sum is σ = 19041272924. Its totient is φ = 19041272922.

The previous prime is 19041272911. The next prime is 19041272933. The reversal of 19041272923 is 32927214091.

It is a strong prime.

It is an emirp because it is prime and its reverse (32927214091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19041272923 - 2⁵ = 19041272891 is a prime.

It is not a weakly prime, because it can be changed into another prime (19041272903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9520636461 + 9520636462.

It is an arithmetic number, because the mean of its divisors is an integer number (9520636462).

Almost surely, 2^19041272923 is an apocalyptic number.

19041272923 is a deficient number, since it is larger than the sum of its proper divisors (1).

19041272923 is an equidigital number, since it uses as much as digits as its factorization.

19041272923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 19041272923 in words is "nineteen billion, forty-one million, two hundred seventy-two thousand, nine hundred twenty-three".