23211325648 has 40 divisors (see below), whose sum is σ = 51662858048. Its totient is φ = 9896159232.

The previous prime is 23211325619. The next prime is 23211325663. The reversal of 23211325648 is 84652311232.

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, 515286 + ... + 558517.

Almost surely, 2^23211325648 is an apocalyptic number.

23211325648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23211325648 is an abundant number, since it is smaller than the sum of its proper divisors (28451532400).

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

23211325648 is a wasteful number, since it uses less digits than its factorization.

23211325648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074011 (or 1074005 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The spelling of 23211325648 in words is "twenty-three billion, two hundred eleven million, three hundred twenty-five thousand, six hundred forty-eight".