23471278740 has 768 divisors, whose sum is σ = 98806579200. Its totient is φ = 4483454976.

The previous prime is 23471278711. The next prime is 23471278751. The reversal of 23471278740 is 4787217432.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 21473634 + ... + 21474726.

It is an arithmetic number, because the mean of its divisors is an integer number (128654400).

Almost surely, 2^23471278740 is an apocalyptic number.

23471278740 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 23471278740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49403289600).

23471278740 is an abundant number, since it is smaller than the sum of its proper divisors (75335300460).

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

23471278740 is a wasteful number, since it uses less digits than its factorization.

23471278740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 23471278740 in words is "twenty-three billion, four hundred seventy-one million, two hundred seventy-eight thousand, seven hundred forty".