23498781696 has 880 divisors, whose sum is σ = 84332469760. Its totient is φ = 6449725440.

The previous prime is 23498781689. The next prime is 23498781701. The reversal of 23498781696 is 69618789432.

23498781696 is a `hidden beast` number, since 2 + 3 + 498 + 7 + 81 + 69 + 6 = 666.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 635102190 + ... + 635102226.

It is an arithmetic number, because the mean of its divisors is an integer number (95832352).

Almost surely, 2^23498781696 is an apocalyptic number.

23498781696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23498781696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42166234880).

23498781696 is an abundant number, since it is smaller than the sum of its proper divisors (60833688064).

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

23498781696 is a wasteful number, since it uses less digits than its factorization.

23498781696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 105 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 23498781696 in words is "twenty-three billion, four hundred ninety-eight million, seven hundred eighty-one thousand, six hundred ninety-six".