23919000473 has 2 divisors, whose sum is σ = 23919000474. Its totient is φ = 23919000472.

The previous prime is 23919000449. The next prime is 23919000503. The reversal of 23919000473 is 37400091932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18304195849 + 5614804624 = 135293^2 + 74932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23919000473 is a prime.

It is not a weakly prime, because it can be changed into another prime (23919009473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11959500236 + 11959500237.

It is an arithmetic number, because the mean of its divisors is an integer number (11959500237).

Almost surely, 2^23919000473 is an apocalyptic number.

It is an amenable number.

23919000473 is a deficient number, since it is larger than the sum of its proper divisors (1).

23919000473 is an equidigital number, since it uses as much as digits as its factorization.

23919000473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 23919000473 in words is "twenty-three billion, nine hundred nineteen million, four hundred seventy-three", and thus it is an aban number.