423135053 has 4 divisors (see below), whose sum is σ = 461601888. Its totient is φ = 384668220.

The previous prime is 423135023. The next prime is 423135059. The reversal of 423135053 is 350531324.

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 not a de Polignac number, because 423135053 - 2⁶ = 423134989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423135059) 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, 19233401 + ... + 19233422.

It is an arithmetic number, because the mean of its divisors is an integer number (115400472).

Almost surely, 2^423135053 is an apocalyptic number.

It is an amenable number.

423135053 is a deficient number, since it is larger than the sum of its proper divisors (38466835).

423135053 is a wasteful number, since it uses less digits than its factorization.

423135053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38466834.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 423135053 is about 20570.2467899634. The cubic root of 423135053 is about 750.7459558945.

Adding to 423135053 its reverse (350531324), we get a palindrome (773666377).

The spelling of 423135053 in words is "four hundred twenty-three million, one hundred thirty-five thousand, fifty-three".