23421212404 has 12 divisors (see below), whose sum is σ = 41760464004. Its totient is φ = 11489651264.

The previous prime is 23421212393. The next prime is 23421212449. The reversal of 23421212404 is 40421212432.

It can be written as a sum of positive squares in 2 ways, for example, as 15057744100 + 8363468304 = 122710^2 + 91452^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55238497 + ... + 55238920.

It is an arithmetic number, because the mean of its divisors is an integer number (3480038667).

Almost surely, 2^23421212404 is an apocalyptic number.

It is an amenable number.

23421212404 is a deficient number, since it is larger than the sum of its proper divisors (18339251600).

23421212404 is a wasteful number, since it uses less digits than its factorization.

23421212404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110477474 (or 110477472 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 23421212404 its reverse (40421212432), we get a palindrome (63842424836).

The spelling of 23421212404 in words is "twenty-three billion, four hundred twenty-one million, two hundred twelve thousand, four hundred four".