19476923 has 2 divisors, whose sum is σ = 19476924. Its totient is φ = 19476922.

The previous prime is 19476907. The next prime is 19476931. The reversal of 19476923 is 32967491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19476923 - 2⁴ = 19476907 is a prime.

It is not a weakly prime, because it can be changed into another prime (19476943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9738461 + 9738462.

It is an arithmetic number, because the mean of its divisors is an integer number (9738462).

Almost surely, 2^19476923 is an apocalyptic number.

19476923 is a deficient number, since it is larger than the sum of its proper divisors (1).

19476923 is an equidigital number, since it uses as much as digits as its factorization.

19476923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 19476923 is about 4413.2667039281. The cubic root of 19476923 is about 269.0544105743.

The spelling of 19476923 in words is "nineteen million, four hundred seventy-six thousand, nine hundred twenty-three".