23320132340 has 12 divisors (see below), whose sum is σ = 48972277956. Its totient is φ = 9328052928.

The previous prime is 23320132321. The next prime is 23320132343. The reversal of 23320132340 is 4323102332.

It can be written as a sum of positive squares in 2 ways, for example, as 10514041444 + 12806090896 = 102538^2 + 113164^2 .

It is a super-2 number, since 2×23320132340² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320132343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583003289 + ... + 583003328.

It is an arithmetic number, because the mean of its divisors is an integer number (4081023163).

Almost surely, 2^23320132340 is an apocalyptic number.

23320132340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23320132340 is an abundant number, since it is smaller than the sum of its proper divisors (25652145616).

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

23320132340 is a wasteful number, since it uses less digits than its factorization.

23320132340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166006626 (or 1166006624 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23320132340 its reverse (4323102332), we get a palindrome (27643234672).

The spelling of 23320132340 in words is "twenty-three billion, three hundred twenty million, one hundred thirty-two thousand, three hundred forty".