23273246240 has 24 divisors (see below), whose sum is σ = 54983044620. Its totient is φ = 9309298432.

The previous prime is 23273246239. The next prime is 23273246263. The reversal of 23273246240 is 4264237232.

It can be written as a sum of positive squares in 2 ways, for example, as 22621363216 + 651883024 = 150404^2 + 25532^2 .

It is a super-3 number, since 3×23273246240³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23273246240.

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, 72728735 + ... + 72729054.

Almost surely, 2^23273246240 is an apocalyptic number.

23273246240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23273246240 is an abundant number, since it is smaller than the sum of its proper divisors (31709798380).

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

23273246240 is a wasteful number, since it uses less digits than its factorization.

23273246240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145457804 (or 145457796 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 23273246240 in words is "twenty-three billion, two hundred seventy-three million, two hundred forty-six thousand, two hundred forty".