423268537 has 4 divisors (see below), whose sum is σ = 430442640. Its totient is φ = 416094436.

The previous prime is 423268523. The next prime is 423268561. The reversal of 423268537 is 735862324.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423268537 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423268537.

It is not an unprimeable number, because it can be changed into a prime (423263537) 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, 3586963 + ... + 3587080.

It is an arithmetic number, because the mean of its divisors is an integer number (107610660).

Almost surely, 2^423268537 is an apocalyptic number.

It is an amenable number.

423268537 is a deficient number, since it is larger than the sum of its proper divisors (7174103).

423268537 is an equidigital number, since it uses as much as digits as its factorization.

423268537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174102.

The product of its digits is 241920, while the sum is 40.

The square root of 423268537 is about 20573.4911232878. The cubic root of 423268537 is about 750.8248921084.

The spelling of 423268537 in words is "four hundred twenty-three million, two hundred sixty-eight thousand, five hundred thirty-seven".