23124204240 has 40 divisors (see below), whose sum is σ = 71685033888. Its totient is φ = 6166454400.

The previous prime is 23124204223. The next prime is 23124204283. The reversal of 23124204240 is 4240242132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23124204240.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48175186 + ... + 48175665.

Almost surely, 2^23124204240 is an apocalyptic number.

23124204240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23124204240 is an abundant number, since it is smaller than the sum of its proper divisors (48560829648).

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

23124204240 is a wasteful number, since it uses less digits than its factorization.

23124204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96350867 (or 96350861 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 23124204240 its reverse (4240242132), we get a palindrome (27364446372).

The spelling of 23124204240 in words is "twenty-three billion, one hundred twenty-four million, two hundred four thousand, two hundred forty".