23534453633420 has 24 divisors (see below), whose sum is σ = 49422804120144. Its totient is φ = 9413695455296.

The previous prime is 23534453633417. The next prime is 23534453633447. The reversal of 23534453633420 is 2433635443532.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107519 + ... + 7531638.

It is an arithmetic number, because the mean of its divisors is an integer number (2059283505006).

Almost surely, 2^{23534453633420} is an apocalyptic number.

23534453633420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23534453633420 is an abundant number, since it is smaller than the sum of its proper divisors (25888350486724).

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

23534453633420 is a wasteful number, since it uses less digits than its factorization.

23534453633420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10749769 (or 10749767 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 47.

The spelling of 23534453633420 in words is "twenty-three trillion, five hundred thirty-four billion, four hundred fifty-three million, six hundred thirty-three thousand, four hundred twenty".