23426545140 has 192 divisors, whose sum is σ = 77801472000. Its totient is φ = 5834747520.

The previous prime is 23426545127. The next prime is 23426545151. The reversal of 23426545140 is 4154562432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23426545095 and 23426545104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 712381 + ... + 744539.

It is an arithmetic number, because the mean of its divisors is an integer number (405216000).

Almost surely, 2^23426545140 is an apocalyptic number.

23426545140 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 23426545140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38900736000).

23426545140 is an abundant number, since it is smaller than the sum of its proper divisors (54374926860).

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

23426545140 is a wasteful number, since it uses less digits than its factorization.

23426545140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32267 (or 32259 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 23426545140 in words is "twenty-three billion, four hundred twenty-six million, five hundred forty-five thousand, one hundred forty".