423875615 has 4 divisors (see below), whose sum is σ = 508650744. Its totient is φ = 339100488.

The previous prime is 423875611. The next prime is 423875623. The reversal of 423875615 is 516578324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423875615 - 2² = 423875611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423875611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42387557 + ... + 42387566.

It is an arithmetic number, because the mean of its divisors is an integer number (127162686).

Almost surely, 2^423875615 is an apocalyptic number.

423875615 is a deficient number, since it is larger than the sum of its proper divisors (84775129).

423875615 is an equidigital number, since it uses as much as digits as its factorization.

423875615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84775128.

The product of its digits is 201600, while the sum is 41.

The square root of 423875615 is about 20588.2397256298. The cubic root of 423875615 is about 751.1836805141.

The spelling of 423875615 in words is "four hundred twenty-three million, eight hundred seventy-five thousand, six hundred fifteen".