23001533523 has 8 divisors (see below), whose sum is σ = 34076346000. Its totient is φ = 15334355664.

The previous prime is 23001533501. The next prime is 23001533591. The reversal of 23001533523 is 32533510032.

23001533523 is a `hidden beast` number, since 2 + 300 + 1 + 5 + 3 + 352 + 3 = 666.

It is not a de Polignac number, because 23001533523 - 2¹⁶ = 23001467987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 851908649 = 23001533523 / (2 + 3 + 0 + 0 + 1 + 5 + 3 + 3 + 5 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (23001531523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425954298 + ... + 425954351.

It is an arithmetic number, because the mean of its divisors is an integer number (4259543250).

Almost surely, 2^23001533523 is an apocalyptic number.

23001533523 is a deficient number, since it is larger than the sum of its proper divisors (11074812477).

23001533523 is an equidigital number, since it uses as much as digits as its factorization.

23001533523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851908658 (or 851908652 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The spelling of 23001533523 in words is "twenty-three billion, one million, five hundred thirty-three thousand, five hundred twenty-three".