23300505240 has 32 divisors (see below), whose sum is σ = 69901516080. Its totient is φ = 6213468032.

The previous prime is 23300505211. The next prime is 23300505259. The reversal of 23300505240 is 4250500332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23300505240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97085319 + ... + 97085558.

Almost surely, 2^23300505240 is an apocalyptic number.

23300505240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23300505240 is an abundant number, since it is smaller than the sum of its proper divisors (46601010840).

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

23300505240 is a wasteful number, since it uses less digits than its factorization.

23300505240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194170891 (or 194170887 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The spelling of 23300505240 in words is "twenty-three billion, three hundred million, five hundred five thousand, two hundred forty".