23301515140 has 24 divisors (see below), whose sum is σ = 48996846360. Its totient is φ = 9308479488.

The previous prime is 23301515093. The next prime is 23301515161. The reversal of 23301515140 is 4151510332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46485124 + 23255030016 = 6818^2 + 152496^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742147 + ... + 772906.

It is an arithmetic number, because the mean of its divisors is an integer number (2041535265).

Almost surely, 2^23301515140 is an apocalyptic number.

23301515140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23301515140 is an abundant number, since it is smaller than the sum of its proper divisors (25695331220).

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

23301515140 is a wasteful number, since it uses less digits than its factorization.

23301515140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515831 (or 1515829 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 23301515140 in words is "twenty-three billion, three hundred one million, five hundred fifteen thousand, one hundred forty".