23623446420 has 192 divisors, whose sum is σ = 86043686400. Its totient is φ = 5267911680.

The previous prime is 23623446401. The next prime is 23623446437. The reversal of 23623446420 is 2464432632.

23623446420 is a `hidden beast` number, since 2 + 3 + 6 + 2 + 3 + 4 + 4 + 642 + 0 = 666.

It is a super-2 number, since 2×23623446420² (a number of 22 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78766 + ... + 231194.

It is an arithmetic number, because the mean of its divisors is an integer number (448144200).

Almost surely, 2^23623446420 is an apocalyptic number.

23623446420 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 23623446420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43021843200).

23623446420 is an abundant number, since it is smaller than the sum of its proper divisors (62420239980).

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

23623446420 is a wasteful number, since it uses less digits than its factorization.

23623446420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152495 (or 152487 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The spelling of 23623446420 in words is "twenty-three billion, six hundred twenty-three million, four hundred forty-six thousand, four hundred twenty".