19123133143 has 2 divisors, whose sum is σ = 19123133144. Its totient is φ = 19123133142.

The previous prime is 19123133119. The next prime is 19123133147. The reversal of 19123133143 is 34133132191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19123133143 - 2⁹ = 19123132631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19123133147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9561566571 + 9561566572.

It is an arithmetic number, because the mean of its divisors is an integer number (9561566572).

Almost surely, 2^19123133143 is an apocalyptic number.

19123133143 is a deficient number, since it is larger than the sum of its proper divisors (1).

19123133143 is an equidigital number, since it uses as much as digits as its factorization.

19123133143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

It can be divided in two parts, 1912313 and 3143, that added together give a square (1915456 = 1384²).

The spelling of 19123133143 in words is "nineteen billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred forty-three".