23305708755 has 48 divisors (see below), whose sum is σ = 48174796800. Its totient is φ = 10190816064.

The previous prime is 23305708729. The next prime is 23305708763. The reversal of 23305708755 is 55780750332.

23305708755 is a `hidden beast` number, since 2 + 3 + 3 + 0 + 570 + 8 + 75 + 5 = 666.

It is not a de Polignac number, because 23305708755 - 2¹² = 23305704659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23305708755.

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 47 ways as a sum of consecutive naturals, for example, 1601155 + ... + 1615644.

It is an arithmetic number, because the mean of its divisors is an integer number (1003641600).

Almost surely, 2^23305708755 is an apocalyptic number.

23305708755 is an abundant number, since it is smaller than the sum of its proper divisors (24869088045).

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

23305708755 is a wasteful number, since it uses less digits than its factorization.

23305708755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216840 (or 3216837 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 23305708755 in words is "twenty-three billion, three hundred five million, seven hundred eight thousand, seven hundred fifty-five".