23504431420 has 24 divisors (see below), whose sum is σ = 49363229664. Its totient is φ = 9401025216.

The previous prime is 23504431417. The next prime is 23504431459. The reversal of 23504431420 is 2413440532.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 260442 + ... + 338878.

It is an arithmetic number, because the mean of its divisors is an integer number (2056801236).

Almost surely, 2^23504431420 is an apocalyptic number.

23504431420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23504431420 is an abundant number, since it is smaller than the sum of its proper divisors (25858798244).

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

23504431420 is a wasteful number, since it uses less digits than its factorization.

23504431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93429 (or 93427 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 23504431420 its reverse (2413440532), we get a palindrome (25917871952).

The spelling of 23504431420 in words is "twenty-three billion, five hundred four million, four hundred thirty-one thousand, four hundred twenty".