13923570500 has 192 divisors, whose sum is σ = 37337664000. Its totient is φ = 4521484800.

The previous prime is 13923570473. The next prime is 13923570523. The reversal of 13923570500 is 507532931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3256364 + ... + 3260636.

It is an arithmetic number, because the mean of its divisors is an integer number (194467000).

Almost surely, 2^13923570500 is an apocalyptic number.

13923570500 is a gapful number since it is divisible by the number (10) 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 13923570500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18668832000).

13923570500 is an abundant number, since it is smaller than the sum of its proper divisors (23414093500).

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

13923570500 is a wasteful number, since it uses less digits than its factorization.

13923570500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 35.

The spelling of 13923570500 in words is "thirteen billion, nine hundred twenty-three million, five hundred seventy thousand, five hundred".