23503421050505 has 32 divisors (see below), whose sum is σ = 31856267952000. Its totient is φ = 16489874419200.

The previous prime is 23503421050423. The next prime is 23503421050511. The reversal of 23503421050505 is 50505012430532.

It is a de Polignac number, because none of the positive numbers 2^k-23503421050505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4424180 + ... + 8159669.

It is an arithmetic number, because the mean of its divisors is an integer number (995508373500).

Almost surely, 2^{23503421050505} is an apocalyptic number.

It is an amenable number.

23503421050505 is a deficient number, since it is larger than the sum of its proper divisors (8352846901495).

23503421050505 is a wasteful number, since it uses less digits than its factorization.

23503421050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12585065.

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

The spelling of 23503421050505 in words is "twenty-three trillion, five hundred three billion, four hundred twenty-one million, fifty thousand, five hundred five".