23404434435 has 48 divisors (see below), whose sum is σ = 42230732544. Its totient is φ = 12434733792.

The previous prime is 23404434379. The next prime is 23404434451. The reversal of 23404434435 is 53443440432.

It is not a de Polignac number, because 23404434435 - 2¹⁸ = 23404172291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23404434435.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282924 + ... + 356166.

It is an arithmetic number, because the mean of its divisors is an integer number (879806928).

Almost surely, 2^23404434435 is an apocalyptic number.

23404434435 is a deficient number, since it is larger than the sum of its proper divisors (18826298109).

23404434435 is an equidigital number, since it uses as much as digits as its factorization.

23404434435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73526 (or 73514 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 23404434435 its reverse (53443440432), we get a palindrome (76847874867).

The spelling of 23404434435 in words is "twenty-three billion, four hundred four million, four hundred thirty-four thousand, four hundred thirty-five".