25723133812 has 24 divisors (see below), whose sum is σ = 47506586400. Its totient is φ = 12153305376.

The previous prime is 25723133809. The next prime is 25723133867. The reversal of 25723133812 is 21833132752.

It is a super-2 number, since 2×25723133812² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405478 + ... + 464605.

It is an arithmetic number, because the mean of its divisors is an integer number (1979441100).

Almost surely, 2^25723133812 is an apocalyptic number.

It is an amenable number.

25723133812 is a deficient number, since it is larger than the sum of its proper divisors (21783452588).

25723133812 is a wasteful number, since it uses less digits than its factorization.

25723133812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870495 (or 870493 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The spelling of 25723133812 in words is "twenty-five billion, seven hundred twenty-three million, one hundred thirty-three thousand, eight hundred twelve".