423107537 has 4 divisors (see below), whose sum is σ = 423186276. Its totient is φ = 423028800.

The previous prime is 423107527. The next prime is 423107549. The reversal of 423107537 is 735701324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 413064976 + 10042561 = 20324^2 + 3169^2 .

It is a cyclic number.

It is not a de Polignac number, because 423107537 - 2⁶ = 423107473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423107527) 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, 30668 + ... + 42269.

It is an arithmetic number, because the mean of its divisors is an integer number (105796569).

Almost surely, 2^423107537 is an apocalyptic number.

It is an amenable number.

423107537 is a deficient number, since it is larger than the sum of its proper divisors (78739).

423107537 is an equidigital number, since it uses as much as digits as its factorization.

423107537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78738.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 423107537 is about 20569.5779490003. The cubic root of 423107537 is about 750.7296821513.

The spelling of 423107537 in words is "four hundred twenty-three million, one hundred seven thousand, five hundred thirty-seven".