23983446240 has 144 divisors (see below), whose sum is σ = 88139233728. Its totient is φ = 5903612928.

The previous prime is 23983446197. The next prime is 23983446283. The reversal of 23983446240 is 4264438932.

It is an interprime number because it is at equal distance from previous prime (23983446197) and next prime (23983446283).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621864 + ... + 659303.

It is an arithmetic number, because the mean of its divisors is an integer number (612078012).

Almost surely, 2^23983446240 is an apocalyptic number.

23983446240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23983446240 is an abundant number, since it is smaller than the sum of its proper divisors (64155787488).

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

23983446240 is a wasteful number, since it uses less digits than its factorization.

23983446240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281201 (or 1281190 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 23983446240 in words is "twenty-three billion, nine hundred eighty-three million, four hundred forty-six thousand, two hundred forty".