23143352522 has 4 divisors (see below), whose sum is σ = 34715028786. Its totient is φ = 11571676260.

The previous prime is 23143352513. The next prime is 23143352527. The reversal of 23143352522 is 22525334132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21658714561 + 1484637961 = 147169^2 + 38531^2 .

It is a super-2 number, since 2×23143352522² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23143352527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785838129 + ... + 5785838132.

Almost surely, 2^23143352522 is an apocalyptic number.

23143352522 is a deficient number, since it is larger than the sum of its proper divisors (11571676264).

23143352522 is a wasteful number, since it uses less digits than its factorization.

23143352522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571676263.

The product of its digits is 43200, while the sum is 32.

Adding to 23143352522 its reverse (22525334132), we get a palindrome (45668686654).

The spelling of 23143352522 in words is "twenty-three billion, one hundred forty-three million, three hundred fifty-two thousand, five hundred twenty-two".