23480538531 has 8 divisors (see below), whose sum is σ = 31320379584. Its totient is φ = 15647194920.

The previous prime is 23480538493. The next prime is 23480538577. The reversal of 23480538531 is 13583508432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23480538531 is a prime.

It is a super-2 number, since 2×23480538531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23480528531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1615921 + ... + 1630386.

It is an arithmetic number, because the mean of its divisors is an integer number (3915047448).

Almost surely, 2^23480538531 is an apocalyptic number.

23480538531 is a deficient number, since it is larger than the sum of its proper divisors (7839841053).

23480538531 is a wasteful number, since it uses less digits than its factorization.

23480538531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248721.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 23480538531 in words is "twenty-three billion, four hundred eighty million, five hundred thirty-eight thousand, five hundred thirty-one".