23608729040 has 160 divisors (see below), whose sum is σ = 61809543936. Its totient is φ = 8320942080.

The previous prime is 23608729037. The next prime is 23608729043. The reversal of 23608729040 is 4092780632.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23608729037) and next prime (23608729043).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23608729043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19398512 + ... + 19399728.

Almost surely, 2^23608729040 is an apocalyptic number.

23608729040 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 23608729040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30904771968).

23608729040 is an abundant number, since it is smaller than the sum of its proper divisors (38200814896).

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

23608729040 is a wasteful number, since it uses less digits than its factorization.

23608729040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 23608729040 in words is "twenty-three billion, six hundred eight million, seven hundred twenty-nine thousand, forty".