23012023522 has 4 divisors (see below), whose sum is σ = 34518035286. Its totient is φ = 11506011760.

The previous prime is 23012023513. The next prime is 23012023543. The reversal of 23012023522 is 22532021032.

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., 18344264481 + 4667759041 = 135441^2 + 68321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23012023493 and 23012023502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5753005879 + ... + 5753005882.

Almost surely, 2^23012023522 is an apocalyptic number.

23012023522 is a deficient number, since it is larger than the sum of its proper divisors (11506011764).

23012023522 is a wasteful number, since it uses less digits than its factorization.

23012023522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11506011763.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 23012023522 its reverse (22532021032), we get a palindrome (45544044554).

The spelling of 23012023522 in words is "twenty-three billion, twelve million, twenty-three thousand, five hundred twenty-two".