13923017240 has 32 divisors (see below), whose sum is σ = 34174679760. Its totient is φ = 5062915200.

The previous prime is 13923017233. The next prime is 13923017249. The reversal of 13923017240 is 4271032931.

It is a junction number, because it is equal to n+sod(n) for n = 13923017197 and 13923017206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13923017249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15821171 + ... + 15822050.

Almost surely, 2^13923017240 is an apocalyptic number.

13923017240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13923017240 is an abundant number, since it is smaller than the sum of its proper divisors (20251662520).

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

13923017240 is a wasteful number, since it uses less digits than its factorization.

13923017240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31643243 (or 31643239 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 13923017240 in words is "thirteen billion, nine hundred twenty-three million, seventeen thousand, two hundred forty".