19741923 has 6 divisors (see below), whose sum is σ = 28516124. Its totient is φ = 13161276.

The previous prime is 19741921. The next prime is 19741933. The reversal of 19741923 is 32914791.

It is not a de Polignac number, because 19741923 - 2¹ = 19741921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19741921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1096765 + ... + 1096782.

Almost surely, 2^19741923 is an apocalyptic number.

19741923 is a deficient number, since it is larger than the sum of its proper divisors (8774201).

19741923 is a wasteful number, since it uses less digits than its factorization.

19741923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193553 (or 2193550 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 19741923 is about 4443.1883822318. The cubic root of 19741923 is about 270.2691554656.

The spelling of 19741923 in words is "nineteen million, seven hundred forty-one thousand, nine hundred twenty-three".