23134443251520 has 56 divisors (see below), whose sum is σ = 73451857326624. Its totient is φ = 6169184866816.

The previous prime is 23134443251509. The next prime is 23134443251587. The reversal of 23134443251520 is 2515234443132.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12049188234 + ... + 12049190153.

It is an arithmetic number, because the mean of its divisors is an integer number (1311640309404).

Almost surely, 2^{23134443251520} is an apocalyptic number.

23134443251520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23134443251520 is an abundant number, since it is smaller than the sum of its proper divisors (50317414075104).

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

23134443251520 is a wasteful number, since it uses less digits than its factorization.

23134443251520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24098378407 (or 24098378397 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 23134443251520 its reverse (2515234443132), we get a palindrome (25649677694652).

The spelling of 23134443251520 in words is "twenty-three trillion, one hundred thirty-four billion, four hundred forty-three million, two hundred fifty-one thousand, five hundred twenty".