23443615452 has 12 divisors (see below), whose sum is σ = 54701769416. Its totient is φ = 7814538480.

The previous prime is 23443615427. The next prime is 23443615493. The reversal of 23443615452 is 25451634432.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23443615452² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23443615452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976817299 + ... + 976817322.

Almost surely, 2^23443615452 is an apocalyptic number.

It is an amenable number.

23443615452 is an abundant number, since it is smaller than the sum of its proper divisors (31258153964).

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

23443615452 is a wasteful number, since it uses less digits than its factorization.

23443615452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953634628 (or 1953634626 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The spelling of 23443615452 in words is "twenty-three billion, four hundred forty-three million, six hundred fifteen thousand, four hundred fifty-two".