453202123442 has 8 divisors (see below), whose sum is σ = 679857000732. Its totient is φ = 226583123200.

The previous prime is 453202123397. The next prime is 453202123477. The reversal of 453202123442 is 244321202354.

It can be written as a sum of positive squares in 2 ways, for example, as 323896436161 + 129305687281 = 569119^2 + 359591^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 453202123399 and 453202123408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8937659 + ... + 8988222.

Almost surely, 2^453202123442 is an apocalyptic number.

453202123442 is a deficient number, since it is larger than the sum of its proper divisors (226654877290).

453202123442 is a wasteful number, since it uses less digits than its factorization.

453202123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17938524.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 453202123442 its reverse (244321202354), we get a palindrome (697523325796).

The spelling of 453202123442 in words is "four hundred fifty-three billion, two hundred two million, one hundred twenty-three thousand, four hundred forty-two".