23829855940 has 24 divisors (see below), whose sum is σ = 54592034112. Its totient is φ = 8665402080.

The previous prime is 23829855937. The next prime is 23829855943. The reversal of 23829855940 is 4955892832.

It is an interprime number because it is at equal distance from previous prime (23829855937) and next prime (23829855943).

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (23829855943) 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 7 ways as a sum of consecutive naturals, for example, 54158544 + ... + 54158983.

It is an arithmetic number, because the mean of its divisors is an integer number (2274668088).

Almost surely, 2^23829855940 is an apocalyptic number.

23829855940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23829855940 is an abundant number, since it is smaller than the sum of its proper divisors (30762178172).

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

23829855940 is a wasteful number, since it uses less digits than its factorization.

23829855940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108317547 (or 108317545 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 23829855940 in words is "twenty-three billion, eight hundred twenty-nine million, eight hundred fifty-five thousand, nine hundred forty".