19950423 has 8 divisors (see below), whose sum is σ = 26937600. Its totient is φ = 13131768.

The previous prime is 19950421. The next prime is 19950433. The reversal of 19950423 is 32405991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19950423 - 2¹ = 19950421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19950421) 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 in 7 ways as a sum of consecutive naturals, for example, 41853 + ... + 42326.

It is an arithmetic number, because the mean of its divisors is an integer number (3367200).

Almost surely, 2^19950423 is an apocalyptic number.

19950423 is a deficient number, since it is larger than the sum of its proper divisors (6987177).

19950423 is an equidigital number, since it uses as much as digits as its factorization.

19950423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84261.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 19950423 is about 4466.5896386393. The cubic root of 19950423 is about 271.2172882749.

The spelling of 19950423 in words is "nineteen million, nine hundred fifty thousand, four hundred twenty-three".