23211413420 has 96 divisors (see below), whose sum is σ = 56764447488. Its totient is φ = 7894536192.

The previous prime is 23211413411. The next prime is 23211413429. The reversal of 23211413420 is 2431411232.

It is an interprime number because it is at equal distance from previous prime (23211413411) and next prime (23211413429).

It is a super-5 number, since 5×23211413420⁵ (a number of 53 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (23211413429) 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, 151874 + ... + 263606.

It is an arithmetic number, because the mean of its divisors is an integer number (591296328).

Almost surely, 2^23211413420 is an apocalyptic number.

23211413420 is a gapful number since it is divisible by the number (20) 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 23211413420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28382223744).

23211413420 is an abundant number, since it is smaller than the sum of its proper divisors (33553034068).

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

23211413420 is a wasteful number, since it uses less digits than its factorization.

23211413420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111819 (or 111817 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23211413420 its reverse (2431411232), we get a palindrome (25642824652).

The spelling of 23211413420 in words is "twenty-three billion, two hundred eleven million, four hundred thirteen thousand, four hundred twenty".