42923001 has 16 divisors (see below), whose sum is σ = 63011520. Its totient is φ = 25773120.

The previous prime is 42922993. The next prime is 42923017. The reversal of 42923001 is 10032924.

It is not a de Polignac number, because 42923001 - 2³ = 42922993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42923021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (3938220).

Almost surely, 2^42923001 is an apocalyptic number.

It is an amenable number.

42923001 is a deficient number, since it is larger than the sum of its proper divisors (20088519).

42923001 is a wasteful number, since it uses less digits than its factorization.

42923001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12056.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 42923001 is about 6551.5647749221. The cubic root of 42923001 is about 350.1305662527.

Adding to 42923001 its reverse (10032924), we get a palindrome (52955925).

The spelling of 42923001 in words is "forty-two million, nine hundred twenty-three thousand, one".