63135023 has 8 divisors (see below), whose sum is σ = 75291648. Its totient is φ = 51762744.

The previous prime is 63135019. The next prime is 63135041. The reversal of 63135023 is 32053136.

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

It is a cyclic number.

It is not a de Polignac number, because 63135023 - 2² = 63135019 is a prime.

It is a super-2 number, since 2×63135023² = 7972062258421058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 63135023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63135013) 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, 195911 + ... + 196232.

It is an arithmetic number, because the mean of its divisors is an integer number (9411456).

Almost surely, 2^63135023 is an apocalyptic number.

63135023 is a deficient number, since it is larger than the sum of its proper divisors (12156625).

63135023 is a wasteful number, since it uses less digits than its factorization.

63135023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392173.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 63135023 is about 7945.7550302032. The cubic root of 63135023 is about 398.1897847432.

Adding to 63135023 its reverse (32053136), we get a palindrome (95188159).

The spelling of 63135023 in words is "sixty-three million, one hundred thirty-five thousand, twenty-three".