23834604840 has 32 divisors (see below), whose sum is σ = 71503814880. Its totient is φ = 6355894592.

The previous prime is 23834604839. The next prime is 23834604869. The reversal of 23834604840 is 4840643832.

It is a junction number, because it is equal to n+sod(n) for n = 23834604792 and 23834604801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99310734 + ... + 99310973.

It is an arithmetic number, because the mean of its divisors is an integer number (2234494215).

Almost surely, 2^23834604840 is an apocalyptic number.

23834604840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23834604840 is an abundant number, since it is smaller than the sum of its proper divisors (47669210040).

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

23834604840 is a wasteful number, since it uses less digits than its factorization.

23834604840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198621721 (or 198621717 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 23834604840 in words is "twenty-three billion, eight hundred thirty-four million, six hundred four thousand, eight hundred forty".