252045423 has 24 divisors (see below), whose sum is σ = 416832000. Its totient is φ = 143763984.

The previous prime is 252045413. The next prime is 252045439. The reversal of 252045423 is 324540252.

It is a happy number.

It is not a de Polignac number, because 252045423 - 2⁶ = 252045359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252045413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34398 + ... + 41076.

It is an arithmetic number, because the mean of its divisors is an integer number (17368000).

Almost surely, 2^252045423 is an apocalyptic number.

252045423 is a deficient number, since it is larger than the sum of its proper divisors (164786577).

252045423 is a wasteful number, since it uses less digits than its factorization.

252045423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291 (or 7288 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 252045423 is about 15875.9384919443. The cubic root of 252045423 is about 631.6739082796.

Adding to 252045423 its reverse (324540252), we get a palindrome (576585675).

The spelling of 252045423 in words is "two hundred fifty-two million, forty-five thousand, four hundred twenty-three".