23240155305500 has 96 divisors (see below), whose sum is σ = 58301883319680. Its totient is φ = 7927606041600.

The previous prime is 23240155305439. The next prime is 23240155305511. The reversal of 23240155305500 is 550355104232.

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

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 31 ways as a sum of consecutive naturals, for example, 16163405 + ... + 17542404.

It is an arithmetic number, because the mean of its divisors is an integer number (607311284580).

Almost surely, 2^{23240155305500} is an apocalyptic number.

23240155305500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23240155305500 is an abundant number, since it is smaller than the sum of its proper divisors (35061728014180).

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

23240155305500 is a wasteful number, since it uses less digits than its factorization.

23240155305500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33706032 (or 33706020 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 23240155305500 in words is "twenty-three trillion, two hundred forty billion, one hundred fifty-five million, three hundred five thousand, five hundred".