23939301240 has 96 divisors (see below), whose sum is σ = 78604933680. Its totient is φ = 6317991936.

The previous prime is 23939301233. The next prime is 23939301241. The reversal of 23939301240 is 4210393932.

23939301240 is a `hidden beast` number, since 23 + 9 + 393 + 0 + 1 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23939301195 and 23939301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23939301241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307854 + ... + 377693.

Almost surely, 2^23939301240 is an apocalyptic number.

23939301240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23939301240 is an abundant number, since it is smaller than the sum of its proper divisors (54665632440).

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

23939301240 is a wasteful number, since it uses less digits than its factorization.

23939301240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685661 (or 685654 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 23939301240 in words is "twenty-three billion, nine hundred thirty-nine million, three hundred one thousand, two hundred forty".