253345423 has 8 divisors (see below), whose sum is σ = 261701120. Its totient is φ = 245001240.

The previous prime is 253345403. The next prime is 253345427. The reversal of 253345423 is 324543352.

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

It is a cyclic number.

It is not a de Polignac number, because 253345423 - 2⁹ = 253344911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253345427) 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, 82408 + ... + 85426.

It is an arithmetic number, because the mean of its divisors is an integer number (32712640).

Almost surely, 2^253345423 is an apocalyptic number.

253345423 is a deficient number, since it is larger than the sum of its proper divisors (8355697).

253345423 is a wasteful number, since it uses less digits than its factorization.

253345423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757.

The product of its digits is 43200, while the sum is 31.

The square root of 253345423 is about 15916.8282958635. The cubic root of 253345423 is about 632.7580624529.

Adding to 253345423 its reverse (324543352), we get a palindrome (577888775).

The spelling of 253345423 in words is "two hundred fifty-three million, three hundred forty-five thousand, four hundred twenty-three".