23434105545 has 80 divisors (see below), whose sum is σ = 43843401360. Its totient is φ = 11959750656.

The previous prime is 23434105531. The next prime is 23434105553. The reversal of 23434105545 is 54550143432.

23434105545 is a `hidden beast` number, since 2 + 3 + 4 + 3 + 4 + 105 + 545 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 7494538041 + 15939567504 = 86571^2 + 126252^2 .

It is not a de Polignac number, because 23434105545 - 2¹³ = 23434097353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1318357 + ... + 1336013.

It is an arithmetic number, because the mean of its divisors is an integer number (548042517).

Almost surely, 2^23434105545 is an apocalyptic number.

It is an amenable number.

23434105545 is a deficient number, since it is larger than the sum of its proper divisors (20409295815).

23434105545 is a wasteful number, since it uses less digits than its factorization.

23434105545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17816 (or 17807 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 23434105545 its reverse (54550143432), we get a palindrome (77984248977).

The spelling of 23434105545 in words is "twenty-three billion, four hundred thirty-four million, one hundred five thousand, five hundred forty-five".