23473421340 has 48 divisors (see below), whose sum is σ = 67845765120. Its totient is φ = 6057656640.

The previous prime is 23473421291. The next prime is 23473421383. The reversal of 23473421340 is 4312437432.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6308200 + ... + 6311919.

It is an arithmetic number, because the mean of its divisors is an integer number (1413453440).

Almost surely, 2^23473421340 is an apocalyptic number.

23473421340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23473421340 is an abundant number, since it is smaller than the sum of its proper divisors (44372343780).

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

23473421340 is a wasteful number, since it uses less digits than its factorization.

23473421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12620162 (or 12620160 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 33.

Adding to 23473421340 its reverse (4312437432), we get a palindrome (27785858772).

The spelling of 23473421340 in words is "twenty-three billion, four hundred seventy-three million, four hundred twenty-one thousand, three hundred forty".