23147421522 has 8 divisors (see below), whose sum is σ = 46294843056. Its totient is φ = 7715807172.

The previous prime is 23147421511. The next prime is 23147421533. The reversal of 23147421522 is 22512474132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23147421511) and next prime (23147421533).

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

23147421522 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1928951788 + ... + 1928951799.

It is an arithmetic number, because the mean of its divisors is an integer number (5786855382).

Almost surely, 2^23147421522 is an apocalyptic number.

23147421522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23147421522 is a wasteful number, since it uses less digits than its factorization.

23147421522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857903592.

The product of its digits is 26880, while the sum is 33.

Adding to 23147421522 its reverse (22512474132), we get a palindrome (45659895654).

The spelling of 23147421522 in words is "twenty-three billion, one hundred forty-seven million, four hundred twenty-one thousand, five hundred twenty-two".