253223342 has 4 divisors (see below), whose sum is σ = 379835016. Its totient is φ = 126611670.

The previous prime is 253223323. The next prime is 253223363. The reversal of 253223342 is 243322352.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63305834 + ... + 63305837.

It is an arithmetic number, because the mean of its divisors is an integer number (94958754).

Almost surely, 2^253223342 is an apocalyptic number.

253223342 is a deficient number, since it is larger than the sum of its proper divisors (126611674).

253223342 is a wasteful number, since it uses less digits than its factorization.

253223342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126611673.

The product of its digits is 8640, while the sum is 26.

The square root of 253223342 is about 15912.9928674653. The cubic root of 253223342 is about 632.6564092141.

Adding to 253223342 its reverse (243322352), we get a palindrome (496545694).

The spelling of 253223342 in words is "two hundred fifty-three million, two hundred twenty-three thousand, three hundred forty-two".