23320062440 has 16 divisors (see below), whose sum is σ = 52470140580. Its totient is φ = 9328024960.

The previous prime is 23320062439. The next prime is 23320062473. The reversal of 23320062440 is 4426002332.

It can be written as a sum of positive squares in 2 ways, for example, as 23254420036 + 65642404 = 152494^2 + 8102^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291500741 + ... + 291500820.

Almost surely, 2^23320062440 is an apocalyptic number.

23320062440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320062440 is an abundant number, since it is smaller than the sum of its proper divisors (29150078140).

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

23320062440 is a wasteful number, since it uses less digits than its factorization.

23320062440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583001572 (or 583001568 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 23320062440 its reverse (4426002332), we get a palindrome (27746064772).

The spelling of 23320062440 in words is "twenty-three billion, three hundred twenty million, sixty-two thousand, four hundred forty".