253423030432530 has 64 divisors (see below), whose sum is σ = 706498303143168. Its totient is φ = 56975669602560.

The previous prime is 253423030432519. The next prime is 253423030432543. The reversal of 253423030432530 is 35234030324352.

It is a happy number.

It is a super-3 number, since 3×253423030432530³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9891596497 + ... + 9891622116.

It is an arithmetic number, because the mean of its divisors is an integer number (11039035986612).

Almost surely, 2^{253423030432530} is an apocalyptic number.

253423030432530 is an abundant number, since it is smaller than the sum of its proper divisors (453075272710638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253423030432530 is a wasteful number, since it uses less digits than its factorization.

253423030432530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19783218691.

The product of its (nonzero) digits is 777600, while the sum is 39.

Adding to 253423030432530 its reverse (35234030324352), we get a palindrome (288657060756882).

The spelling of 253423030432530 in words is "two hundred fifty-three trillion, four hundred twenty-three billion, thirty million, four hundred thirty-two thousand, five hundred thirty".