23475243420 has 336 divisors, whose sum is σ = 76020336000. Its totient is φ = 6084688896.

The previous prime is 23475243419. The next prime is 23475243481. The reversal of 23475243420 is 2434257432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 102511866 + ... + 102512094.

It is an arithmetic number, because the mean of its divisors is an integer number (226251000).

Almost surely, 2^23475243420 is an apocalyptic number.

23475243420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23475243420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38010168000).

23475243420 is an abundant number, since it is smaller than the sum of its proper divisors (52545092580).

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

23475243420 is a wasteful number, since it uses less digits than its factorization.

23475243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 36.

The spelling of 23475243420 in words is "twenty-three billion, four hundred seventy-five million, two hundred forty-three thousand, four hundred twenty".