14320623540 has 96 divisors (see below), whose sum is σ = 42868949760. Its totient is φ = 3559274496.

The previous prime is 14320623511. The next prime is 14320623599. The reversal of 14320623540 is 4532602341.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14320623498 and 14320623507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36906 + ... + 173214.

It is an arithmetic number, because the mean of its divisors is an integer number (446551560).

Almost surely, 2^14320623540 is an apocalyptic number.

14320623540 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 14320623540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21434474880).

14320623540 is an abundant number, since it is smaller than the sum of its proper divisors (28548326220).

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

14320623540 is a wasteful number, since it uses less digits than its factorization.

14320623540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136441 (or 136439 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 14320623540 in words is "fourteen billion, three hundred twenty million, six hundred twenty-three thousand, five hundred forty".