23723542040 has 64 divisors (see below), whose sum is σ = 59584757760. Its totient is φ = 8426113920.

The previous prime is 23723541977. The next prime is 23723542043. The reversal of 23723542040 is 4024532732.

It is a junction number, because it is equal to n+sod(n) for n = 23723541988 and 23723542006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23723542043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608024 + ... + 645863.

It is an arithmetic number, because the mean of its divisors is an integer number (931011840).

Almost surely, 2^23723542040 is an apocalyptic number.

23723542040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23723542040 is an abundant number, since it is smaller than the sum of its proper divisors (35861215720).

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

23723542040 is a wasteful number, since it uses less digits than its factorization.

23723542040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253952 (or 1253948 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

The spelling of 23723542040 in words is "twenty-three billion, seven hundred twenty-three million, five hundred forty-two thousand, forty".