23005311552 has 84 divisors (see below), whose sum is σ = 68382861456. Its totient is φ = 7668432000.

The previous prime is 23005311547. The next prime is 23005311559. The reversal of 23005311552 is 25511350032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23005311559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724074 + ... + 755177.

It is an arithmetic number, because the mean of its divisors is an integer number (814081684).

Almost surely, 2^23005311552 is an apocalyptic number.

It is an amenable number.

23005311552 is an abundant number, since it is smaller than the sum of its proper divisors (45377549904).

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

23005311552 is an equidigital number, since it uses as much as digits as its factorization.

23005311552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479278 (or 1479256 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 23005311552 its reverse (25511350032), we get a palindrome (48516661584).

The spelling of 23005311552 in words is "twenty-three billion, five million, three hundred eleven thousand, five hundred fifty-two".