442123053 has 8 divisors (see below), whose sum is σ = 590589216. Its totient is φ = 294202800.

The previous prime is 442123051. The next prime is 442123069. The reversal of 442123053 is 350321244.

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

It is not a de Polignac number, because 442123053 - 2¹ = 442123051 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 (442123051) 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, 134583 + ... + 137828.

It is an arithmetic number, because the mean of its divisors is an integer number (73823652).

Almost surely, 2^442123053 is an apocalyptic number.

It is an amenable number.

442123053 is a deficient number, since it is larger than the sum of its proper divisors (148466163).

442123053 is a wasteful number, since it uses less digits than its factorization.

442123053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272955.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 442123053 is about 21026.7223551366. The cubic root of 442123053 is about 761.8118434449.

Adding to 442123053 its reverse (350321244), we get a palindrome (792444297).

The spelling of 442123053 in words is "four hundred forty-two million, one hundred twenty-three thousand, fifty-three".