23489645452 has 24 divisors (see below), whose sum is σ = 50593083296. Its totient is φ = 9292606848.

The previous prime is 23489645419. The next prime is 23489645453. The reversal of 23489645452 is 25454698432.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 23489645452.

It is not an unprimeable number, because it can be changed into a prime (23489645453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32265633 + ... + 32266360.

Almost surely, 2^23489645452 is an apocalyptic number.

It is an amenable number.

23489645452 is an abundant number, since it is smaller than the sum of its proper divisors (27103437844).

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

23489645452 is a wasteful number, since it uses less digits than its factorization.

23489645452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64532017 (or 64532015 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The spelling of 23489645452 in words is "twenty-three billion, four hundred eighty-nine million, six hundred forty-five thousand, four hundred fifty-two".