23495780 has 144 divisors (see below), whose sum is σ = 66138240. Its totient is φ = 6842880.

The previous prime is 23495779. The next prime is 23495783. The reversal of 23495780 is 8759432.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (23495783) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 321824 + ... + 321896.

Almost surely, 2^23495780 is an apocalyptic number.

23495780 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 23495780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33069120).

23495780 is an abundant number, since it is smaller than the sum of its proper divisors (42642460).

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

23495780 is a wasteful number, since it uses less digits than its factorization.

23495780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 23495780 is about 4847.2445781083. The cubic root of 23495780 is about 286.4155694385.

The spelling of 23495780 in words is "twenty-three million, four hundred ninety-five thousand, seven hundred eighty".