23501203622416 has 135 divisors (see below), whose sum is σ = 50282027257959. Its totient is φ = 10636004411136.

The previous prime is 23501203622399. The next prime is 23501203622423. The reversal of 23501203622416 is 61422630210532.

The square root of 23501203622416 is 4847804.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 609954752016 + 22891248870400 = 780996^2 + 4784480^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13360546945 + ... + 13360548703.

Almost surely, 2^{23501203622416} is an apocalyptic number.

23501203622416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23501203622416 is the 4847804-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23501203622416

23501203622416 is an abundant number, since it is smaller than the sum of its proper divisors (26780823635543).

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

23501203622416 is an frugal number, since it uses more digits than its factorization.

23501203622416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 23501203622416 its reverse (61422630210532), we get a palindrome (84923833832948).

The spelling of 23501203622416 in words is "twenty-three trillion, five hundred one billion, two hundred three million, six hundred twenty-two thousand, four hundred sixteen".