23145310341552 has 80 divisors (see below), whose sum is σ = 68334367963392. Its totient is φ = 6612888272640.

The previous prime is 23145310341539. The next prime is 23145310341583. The reversal of 23145310341552 is 25514301354132.

It is a self number, because there is not a number n which added to its sum of digits gives 23145310341552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51866902 + ... + 52311242.

Almost surely, 2^{23145310341552} is an apocalyptic number.

It is an amenable number.

23145310341552 is an abundant number, since it is smaller than the sum of its proper divisors (45189057621840).

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

23145310341552 is a wasteful number, since it uses less digits than its factorization.

23145310341552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599386 (or 599380 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 23145310341552 its reverse (25514301354132), we get a palindrome (48659611695684).

The spelling of 23145310341552 in words is "twenty-three trillion, one hundred forty-five billion, three hundred ten million, three hundred forty-one thousand, five hundred fifty-two".