23347820 has 12 divisors (see below), whose sum is σ = 49030464. Its totient is φ = 9339120.

The previous prime is 23347801. The next prime is 23347823. The reversal of 23347820 is 2874332.

It is not an unprimeable number, because it can be changed into a prime (23347823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583676 + ... + 583715.

It is an arithmetic number, because the mean of its divisors is an integer number (4085872).

Almost surely, 2^23347820 is an apocalyptic number.

23347820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23347820 is an abundant number, since it is smaller than the sum of its proper divisors (25682644).

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

23347820 is a wasteful number, since it uses less digits than its factorization.

23347820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167400 (or 1167398 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 23347820 is about 4831.9581951834. The cubic root of 23347820 is about 285.8130879723.

The spelling of 23347820 in words is "twenty-three million, three hundred forty-seven thousand, eight hundred twenty".