23144353442532 has 72 divisors (see below), whose sum is σ = 66865374576000. Its totient is φ = 6612285800448.

The previous prime is 23144353442491. The next prime is 23144353442533. The reversal of 23144353442532 is 23524435344132.

23144353442532 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 4 + 353 + 44 + 253 + 2 = 666.

It is a super-2 number, since 2×23144353442532² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23144353442533) 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, 1647844 + ... + 7000292.

It is an arithmetic number, because the mean of its divisors is an integer number (928685758000).

Almost surely, 2^{23144353442532} is an apocalyptic number.

It is an amenable number.

23144353442532 is an abundant number, since it is smaller than the sum of its proper divisors (43721021133468).

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

23144353442532 is a wasteful number, since it uses less digits than its factorization.

23144353442532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369625 (or 5369620 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 45.

Adding to 23144353442532 its reverse (23524435344132), we get a palindrome (46668788786664).

The spelling of 23144353442532 in words is "twenty-three trillion, one hundred forty-four billion, three hundred fifty-three million, four hundred forty-two thousand, five hundred thirty-two".