23699354424 has 128 divisors (see below), whose sum is σ = 65137582080. Its totient is φ = 7152998400.

The previous prime is 23699354423. The next prime is 23699354431. The reversal of 23699354424 is 42445399632.

It is a super-2 number, since 2×23699354424² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23699354423) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2182689 + ... + 2193519.

It is an arithmetic number, because the mean of its divisors is an integer number (508887360).

Almost surely, 2^23699354424 is an apocalyptic number.

23699354424 is a gapful number since it is divisible by the number (24) 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 23699354424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32568791040).

23699354424 is an abundant number, since it is smaller than the sum of its proper divisors (41438227656).

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

23699354424 is a wasteful number, since it uses less digits than its factorization.

23699354424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061 (or 11057 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 51.

The spelling of 23699354424 in words is "twenty-three billion, six hundred ninety-nine million, three hundred fifty-four thousand, four hundred twenty-four".