23420000 has 60 divisors (see below), whose sum is σ = 57665916. Its totient is φ = 9360000.

The previous prime is 23419997. The next prime is 23420017. The reversal of 23420000 is 2432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19415 + ... + 20585.

Almost surely, 2^23420000 is an apocalyptic number.

23420000 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 23420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28832958).

23420000 is an abundant number, since it is smaller than the sum of its proper divisors (34245916).

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

23420000 is an equidigital number, since it uses as much as digits as its factorization.

23420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 23420000 is about 4839.4214530251. The cubic root of 23420000 is about 286.1073162395.

Adding to 23420000 its reverse (2432), we get a palindrome (23422432).

The spelling of 23420000 in words is "twenty-three million, four hundred twenty thousand".