23221144130 has 32 divisors (see below), whose sum is σ = 42970480560. Its totient is φ = 9028419840.

The previous prime is 23221144123. The next prime is 23221144171. The reversal of 23221144130 is 3144112232.

It can be written as a sum of positive squares in 8 ways, for example, as 20509963369 + 2711180761 = 143213^2 + 52069^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23221144096 and 23221144105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347036 + ... + 408504.

Almost surely, 2^23221144130 is an apocalyptic number.

23221144130 is a deficient number, since it is larger than the sum of its proper divisors (19749336430).

23221144130 is a wasteful number, since it uses less digits than its factorization.

23221144130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62534.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23221144130 its reverse (3144112232), we get a palindrome (26365256362).

The spelling of 23221144130 in words is "twenty-three billion, two hundred twenty-one million, one hundred forty-four thousand, one hundred thirty".