23451447536 has 30 divisors (see below), whose sum is σ = 49943350296. Its totient is φ = 10659748000.

The previous prime is 23451447491. The next prime is 23451447577. The reversal of 23451447536 is 63574415432.

It is a super-3 number, since 3×23451447536³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6054740 + ... + 6058611.

Almost surely, 2^23451447536 is an apocalyptic number.

It is an amenable number.

23451447536 is an abundant number, since it is smaller than the sum of its proper divisors (26491902760).

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

23451447536 is a wasteful number, since it uses less digits than its factorization.

23451447536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113381 (or 12113364 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 44.

The spelling of 23451447536 in words is "twenty-three billion, four hundred fifty-one million, four hundred forty-seven thousand, five hundred thirty-six".