253023032144 has 10 divisors (see below), whose sum is σ = 490232124810. Its totient is φ = 126511516064.

The previous prime is 253023032117. The next prime is 253023032149. The reversal of 253023032144 is 441230320352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 253021072144 + 1960000 = 503012^2 + 1400^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253023032149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7906969739 + ... + 7906969770.

It is an arithmetic number, because the mean of its divisors is an integer number (49023212481).

Almost surely, 2^253023032144 is an apocalyptic number.

It is an amenable number.

253023032144 is a deficient number, since it is larger than the sum of its proper divisors (237209092666).

253023032144 is a wasteful number, since it uses less digits than its factorization.

253023032144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15813939517 (or 15813939511 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 253023032144 its reverse (441230320352), we get a palindrome (694253352496).

The spelling of 253023032144 in words is "two hundred fifty-three billion, twenty-three million, thirty-two thousand, one hundred forty-four".