42923719 has 2 divisors, whose sum is σ = 42923720. Its totient is φ = 42923718.

The previous prime is 42923707. The next prime is 42923731. The reversal of 42923719 is 91732924.

It is a balanced prime because it is at equal distance from previous prime (42923707) and next prime (42923731).

It is a cyclic number.

It is not a de Polignac number, because 42923719 - 2⁹ = 42923207 is a prime.

It is a super-2 number, since 2×42923719² = 3684891305581922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42923789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21461859 + 21461860.

It is an arithmetic number, because the mean of its divisors is an integer number (21461860).

Almost surely, 2^42923719 is an apocalyptic number.

42923719 is a deficient number, since it is larger than the sum of its proper divisors (1).

42923719 is an equidigital number, since it uses as much as digits as its factorization.

42923719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 42923719 is about 6551.6195707626. The cubic root of 42923719 is about 350.1325185264.

The spelling of 42923719 in words is "forty-two million, nine hundred twenty-three thousand, seven hundred nineteen".