253181423 has 8 divisors (see below), whose sum is σ = 276348240. Its totient is φ = 230039680.

The previous prime is 253181407. The next prime is 253181429. The reversal of 253181423 is 324181352.

It is a happy number.

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 253181423 - 2⁴ = 253181407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253181429) 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, 19463 + ... + 29751.

It is an arithmetic number, because the mean of its divisors is an integer number (34543530).

Almost surely, 2^253181423 is an apocalyptic number.

253181423 is a deficient number, since it is larger than the sum of its proper divisors (23166817).

253181423 is a wasteful number, since it uses less digits than its factorization.

253181423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12537.

The product of its digits is 5760, while the sum is 29.

The square root of 253181423 is about 15911.6756817125. The cubic root of 253181423 is about 632.6214969672.

The spelling of 253181423 in words is "two hundred fifty-three million, one hundred eighty-one thousand, four hundred twenty-three".