19054423 has 2 divisors, whose sum is σ = 19054424. Its totient is φ = 19054422.

The previous prime is 19054417. The next prime is 19054457. The reversal of 19054423 is 32445091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19054423 - 2⁵ = 19054391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19054391 and 19054400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19054493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9527211 + 9527212.

It is an arithmetic number, because the mean of its divisors is an integer number (9527212).

Almost surely, 2^19054423 is an apocalyptic number.

19054423 is a deficient number, since it is larger than the sum of its proper divisors (1).

19054423 is an equidigital number, since it uses as much as digits as its factorization.

19054423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 19054423 is about 4365.1372257926. The cubic root of 19054423 is about 267.0946981815.

It can be divided in two parts, 1905 and 4423, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 19054423 in words is "nineteen million, fifty-four thousand, four hundred twenty-three".