23505025452 has 72 divisors (see below), whose sum is σ = 58377327120. Its totient is φ = 7359406080.

The previous prime is 23505025447. The next prime is 23505025477. The reversal of 23505025452 is 25452050532.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1800324 + ... + 1813332.

It is an arithmetic number, because the mean of its divisors is an integer number (810796210).

Almost surely, 2^23505025452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23505025452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29188663560).

23505025452 is an abundant number, since it is smaller than the sum of its proper divisors (34872301668).

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

23505025452 is a wasteful number, since it uses less digits than its factorization.

23505025452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13571 (or 13552 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 23505025452 its reverse (25452050532), we get a palindrome (48957075984).

The spelling of 23505025452 in words is "twenty-three billion, five hundred five million, twenty-five thousand, four hundred fifty-two".