23841731940 has 192 divisors, whose sum is σ = 76515715584. Its totient is φ = 5494874112.

The previous prime is 23841731939. The next prime is 23841731941. The reversal of 23841731940 is 4913714832.

It is an interprime number because it is at equal distance from previous prime (23841731939) and next prime (23841731941).

It is a junction number, because it is equal to n+sod(n) for n = 23841731892 and 23841731901.

It is not an unprimeable number, because it can be changed into a prime (23841731941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2607657 + ... + 2616783.

It is an arithmetic number, because the mean of its divisors is an integer number (398519352).

Almost surely, 2^23841731940 is an apocalyptic number.

23841731940 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 23841731940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38257857792).

23841731940 is an abundant number, since it is smaller than the sum of its proper divisors (52673983644).

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

23841731940 is a wasteful number, since it uses less digits than its factorization.

23841731940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366 (or 9364 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 23841731940 in words is "twenty-three billion, eight hundred forty-one million, seven hundred thirty-one thousand, nine hundred forty".