23355632144 has 40 divisors (see below), whose sum is σ = 48741718872. Its totient is φ = 10777466880.

The previous prime is 23355632107. The next prime is 23355632171. The reversal of 23355632144 is 44123655332.

It can be written as a sum of positive squares in 4 ways, for example, as 1336633600 + 22018998544 = 36560^2 + 148388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23355632098 and 23355632107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901864 + ... + 1914104.

Almost surely, 2^23355632144 is an apocalyptic number.

It is an amenable number.

23355632144 is an abundant number, since it is smaller than the sum of its proper divisors (25386086728).

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

23355632144 is a wasteful number, since it uses less digits than its factorization.

23355632144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21435 (or 21429 counting only the distinct ones).

The product of its digits is 259200, while the sum is 38.

The spelling of 23355632144 in words is "twenty-three billion, three hundred fifty-five million, six hundred thirty-two thousand, one hundred forty-four".