23530423201511 has 16 divisors (see below), whose sum is σ = 24218322347520. Its totient is φ = 22852177832640.

The previous prime is 23530423201499. The next prime is 23530423201517. The reversal of 23530423201511 is 11510232403532.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23530423201511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530423201517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214046786 + ... + 214156688.

It is an arithmetic number, because the mean of its divisors is an integer number (1513645146720).

Almost surely, 2^{23530423201511} is an apocalyptic number.

23530423201511 is a deficient number, since it is larger than the sum of its proper divisors (687899146009).

23530423201511 is a wasteful number, since it uses less digits than its factorization.

23530423201511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153766.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 23530423201511 in words is "twenty-three trillion, five hundred thirty billion, four hundred twenty-three million, two hundred one thousand, five hundred eleven".