23434344040 has 32 divisors (see below), whose sum is σ = 52917650280. Its totient is φ = 9339892992.

The previous prime is 23434344023. The next prime is 23434344049. The reversal of 23434344040 is 4044343432.

It can be written as a sum of positive squares in 4 ways, for example, as 15000860484 + 8433483556 = 122478^2 + 91834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23434343993 and 23434344011.

It is not an unprimeable number, because it can be changed into a prime (23434344049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046427 + ... + 1068586.

Almost surely, 2^23434344040 is an apocalyptic number.

23434344040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23434344040 is an abundant number, since it is smaller than the sum of its proper divisors (29483306240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23434344040 is a wasteful number, since it uses less digits than its factorization.

23434344040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115301 (or 2115297 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 23434344040 its reverse (4044343432), we get a palindrome (27478687472).

The spelling of 23434344040 in words is "twenty-three billion, four hundred thirty-four million, three hundred forty-four thousand, forty".