23495820 has 48 divisors (see below), whose sum is σ = 66161760. Its totient is φ = 6230016.

The previous prime is 23495807. The next prime is 23495821. The reversal of 23495820 is 2859432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23495821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10566 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (1378370).

Almost surely, 2^23495820 is an apocalyptic number.

23495820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23495820 is an abundant number, since it is smaller than the sum of its proper divisors (42665940).

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

23495820 is a wasteful number, since it uses less digits than its factorization.

23495820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 23495820 is about 4847.2487041620. The cubic root of 23495820 is about 286.4157319729.

The spelling of 23495820 in words is "twenty-three million, four hundred ninety-five thousand, eight hundred twenty".