423140015 has 8 divisors (see below), whose sum is σ = 525277440. Its totient is φ = 326839072.

The previous prime is 423140009. The next prime is 423140077. The reversal of 423140015 is 510041324.

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

It is a cyclic number.

It is not a de Polignac number, because 423140015 - 2⁴ = 423139999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458959 + ... + 1459248.

It is an arithmetic number, because the mean of its divisors is an integer number (65659680).

Almost surely, 2^423140015 is an apocalyptic number.

423140015 is a deficient number, since it is larger than the sum of its proper divisors (102137425).

423140015 is a wasteful number, since it uses less digits than its factorization.

423140015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918241.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 423140015 is about 20570.3674007053. The cubic root of 423140015 is about 750.7488904870.

Adding to 423140015 its reverse (510041324), we get a palindrome (933181339).

The spelling of 423140015 in words is "four hundred twenty-three million, one hundred forty thousand, fifteen".