635612423 has 8 divisors (see below), whose sum is σ = 646552368. Its totient is φ = 624750784.

The previous prime is 635612399. The next prime is 635612447. The reversal of 635612423 is 324216536.

635612423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (635612399) and next prime (635612447).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-635612423 is a prime.

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 635612423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635612123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3086 + ... + 35787.

It is an arithmetic number, because the mean of its divisors is an integer number (80819046).

Almost surely, 2^635612423 is an apocalyptic number.

635612423 is a deficient number, since it is larger than the sum of its proper divisors (10939945).

635612423 is a wasteful number, since it uses less digits than its factorization.

635612423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39153.

The product of its digits is 25920, while the sum is 32.

The square root of 635612423 is about 25211.3550409334. The cubic root of 635612423 is about 859.8000359857.

Adding to 635612423 its reverse (324216536), we get a palindrome (959828959).

The spelling of 635612423 in words is "six hundred thirty-five million, six hundred twelve thousand, four hundred twenty-three".