23129272747464 has 48 divisors (see below), whose sum is σ = 62613267951600. Its totient is φ = 7116699305664.

The previous prime is 23129272747459. The next prime is 23129272747513. The reversal of 23129272747464 is 46474727292132.

It is a happy number.

It is a super-3 number, since 3×23129272747464³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23129272747398 and 23129272747407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2851237654 + ... + 2851245765.

It is an arithmetic number, because the mean of its divisors is an integer number (1304443082325).

Almost surely, 2^{23129272747464} is an apocalyptic number.

23129272747464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23129272747464 is an abundant number, since it is smaller than the sum of its proper divisors (39483995204136).

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

23129272747464 is a wasteful number, since it uses less digits than its factorization.

23129272747464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702483454 (or 5702483437 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 60.

The spelling of 23129272747464 in words is "twenty-three trillion, one hundred twenty-nine billion, two hundred seventy-two million, seven hundred forty-seven thousand, four hundred sixty-four".