253423653 has 16 divisors (see below), whose sum is σ = 406494720. Its totient is φ = 137191536.

The previous prime is 253423627. The next prime is 253423657. The reversal of 253423653 is 356324352.

253423653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253423653 - 2¹⁴ = 253407269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253423657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317175 + ... + 317972.

It is an arithmetic number, because the mean of its divisors is an integer number (25405920).

Almost surely, 2^253423653 is an apocalyptic number.

It is an amenable number.

253423653 is a deficient number, since it is larger than the sum of its proper divisors (153071067).

253423653 is a wasteful number, since it uses less digits than its factorization.

253423653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635176.

The product of its digits is 64800, while the sum is 33.

The square root of 253423653 is about 15919.2855681403. The cubic root of 253423653 is about 632.8231850938.

The spelling of 253423653 in words is "two hundred fifty-three million, four hundred twenty-three thousand, six hundred fifty-three".