23440341136 has 10 divisors (see below), whose sum is σ = 45415660982. Its totient is φ = 11720170560.

The previous prime is 23440341131. The next prime is 23440341139. The reversal of 23440341136 is 63114304432.

It can be written as a sum of positive squares in only one way, i.e., 23292864400 + 147476736 = 152620^2 + 12144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23440341098 and 23440341107.

It is not an unprimeable number, because it can be changed into a prime (23440341131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732510645 + ... + 732510676.

Almost surely, 2^23440341136 is an apocalyptic number.

It is an amenable number.

23440341136 is a deficient number, since it is larger than the sum of its proper divisors (21975319846).

23440341136 is a wasteful number, since it uses less digits than its factorization.

23440341136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465021329 (or 1465021323 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 23440341136 its reverse (63114304432), we get a palindrome (86554645568).

The spelling of 23440341136 in words is "twenty-three billion, four hundred forty million, three hundred forty-one thousand, one hundred thirty-six".