23111021433130 has 16 divisors (see below), whose sum is σ = 41981488476840. Its totient is φ = 9159597484992.

The previous prime is 23111021433127. The next prime is 23111021433151. The reversal of 23111021433130 is 3133412011132.

It can be written as a sum of positive squares in 4 ways, for example, as 16282766406481 + 6828255026649 = 4035191^2 + 2613093^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23111021433095 and 23111021433104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10601384889 + ... + 10601387068.

Almost surely, 2^{23111021433130} is an apocalyptic number.

23111021433130 is a deficient number, since it is larger than the sum of its proper divisors (18870467043710).

23111021433130 is a wasteful number, since it uses less digits than its factorization.

23111021433130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21202772073.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23111021433130 its reverse (3133412011132), we get a palindrome (26244433444262).

The spelling of 23111021433130 in words is "twenty-three trillion, one hundred eleven billion, twenty-one million, four hundred thirty-three thousand, one hundred thirty".