23144240323252 has 24 divisors (see below), whose sum is σ = 41332016178432. Its totient is φ = 11335784896800.

The previous prime is 23144240323229. The next prime is 23144240323349. The reversal of 23144240323252 is 25232304244132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86372524 + ... + 86640067.

It is an arithmetic number, because the mean of its divisors is an integer number (1722167340768).

Almost surely, 2^{23144240323252} is an apocalyptic number.

It is an amenable number.

23144240323252 is a deficient number, since it is larger than the sum of its proper divisors (18187775855180).

23144240323252 is a wasteful number, since it uses less digits than its factorization.

23144240323252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173013279 (or 173013277 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 23144240323252 its reverse (25232304244132), we get a palindrome (48376544567384).

The spelling of 23144240323252 in words is "twenty-three trillion, one hundred forty-four billion, two hundred forty million, three hundred twenty-three thousand, two hundred fifty-two".