16742923 has 2 divisors, whose sum is σ = 16742924. Its totient is φ = 16742922.

The previous prime is 16742917. The next prime is 16742927. The reversal of 16742923 is 32924761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16742923 - 2¹⁷ = 16611851 is a prime.

It is not a weakly prime, because it can be changed into another prime (16742927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8371461 + 8371462.

It is an arithmetic number, because the mean of its divisors is an integer number (8371462).

Almost surely, 2^16742923 is an apocalyptic number.

16742923 is a deficient number, since it is larger than the sum of its proper divisors (1).

16742923 is an equidigital number, since it uses as much as digits as its factorization.

16742923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 16742923 is about 4091.8117014350. The cubic root of 16742923 is about 255.8254578055.

The spelling of 16742923 in words is "sixteen million, seven hundred forty-two thousand, nine hundred twenty-three".