15303023340 has 192 divisors, whose sum is σ = 49041054720. Its totient is φ = 3531136000.

The previous prime is 15303023321. The next prime is 15303023341. The reversal of 15303023340 is 4332030351.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15303023340.

It is not an unprimeable number, because it can be changed into a prime (15303023341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1353310 + ... + 1364570.

It is an arithmetic number, because the mean of its divisors is an integer number (255422160).

Almost surely, 2^15303023340 is an apocalyptic number.

15303023340 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 15303023340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24520527360).

15303023340 is an abundant number, since it is smaller than the sum of its proper divisors (33738031380).

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

15303023340 is a wasteful number, since it uses less digits than its factorization.

15303023340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11384 (or 11382 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 15303023340 its reverse (4332030351), we get a palindrome (19635053691).

The spelling of 15303023340 in words is "fifteen billion, three hundred three million, twenty-three thousand, three hundred forty".