253423622 has 4 divisors (see below), whose sum is σ = 380135436. Its totient is φ = 126711810.

The previous prime is 253423613. The next prime is 253423627. The reversal of 253423622 is 226324352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253423627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63355904 + ... + 63355907.

It is an arithmetic number, because the mean of its divisors is an integer number (95033859).

Almost surely, 2^253423622 is an apocalyptic number.

253423622 is a deficient number, since it is larger than the sum of its proper divisors (126711814).

253423622 is a wasteful number, since it uses less digits than its factorization.

253423622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126711813.

The product of its digits is 17280, while the sum is 29.

The square root of 253423622 is about 15919.2845944785. The cubic root of 253423622 is about 632.8231592905.

Adding to 253423622 its reverse (226324352), we get a palindrome (479747974).

The spelling of 253423622 in words is "two hundred fifty-three million, four hundred twenty-three thousand, six hundred twenty-two".