23037281280 has 440 divisors, whose sum is σ = 88923595992. Its totient is φ = 5669388288.

The previous prime is 23037281249. The next prime is 23037281341. The reversal of 23037281280 is 8218273032.

It is a happy number.

23037281280 is a `hidden beast` number, since 2 + 3 + 0 + 372 + 8 + 1 + 280 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1327104 + 23035954176 = 1152^2 + 151776^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5389224 + ... + 5393496.

Almost surely, 2^23037281280 is an apocalyptic number.

23037281280 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 23037281280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44461797996).

23037281280 is an abundant number, since it is smaller than the sum of its proper divisors (65886314712).

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

23037281280 is a wasteful number, since it uses less digits than its factorization.

23037281280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323 (or 4296 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 23037281280 in words is "twenty-three billion, thirty-seven million, two hundred eighty-one thousand, two hundred eighty".