423717501 has 4 divisors (see below), whose sum is σ = 564956672. Its totient is φ = 282478332.

The previous prime is 423717487. The next prime is 423717509. The reversal of 423717501 is 105717324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 423717501 - 2⁷ = 423717373 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 (423717509) 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, 70619581 + ... + 70619586.

It is an arithmetic number, because the mean of its divisors is an integer number (141239168).

Almost surely, 2^423717501 is an apocalyptic number.

It is an amenable number.

423717501 is a deficient number, since it is larger than the sum of its proper divisors (141239171).

423717501 is a wasteful number, since it uses less digits than its factorization.

423717501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141239170.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 423717501 is about 20584.3994568702. The cubic root of 423717501 is about 751.0902667676.

The spelling of 423717501 in words is "four hundred twenty-three million, seven hundred seventeen thousand, five hundred one".