23232471540 has 48 divisors (see below), whose sum is σ = 68474656320. Its totient is φ = 5869255680.

The previous prime is 23232471533. The next prime is 23232471547. The reversal of 23232471540 is 4517423232.

It is an interprime number because it is at equal distance from previous prime (23232471533) and next prime (23232471547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23232471547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10188541 + ... + 10190820.

It is an arithmetic number, because the mean of its divisors is an integer number (1426555340).

Almost surely, 2^23232471540 is an apocalyptic number.

23232471540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23232471540 is an abundant number, since it is smaller than the sum of its proper divisors (45242184780).

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

23232471540 is a wasteful number, since it uses less digits than its factorization.

23232471540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20379392 (or 20379390 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 23232471540 its reverse (4517423232), we get a palindrome (27749894772).

The spelling of 23232471540 in words is "twenty-three billion, two hundred thirty-two million, four hundred seventy-one thousand, five hundred forty".