23390000 has 50 divisors (see below), whose sum is σ = 56653740. Its totient is φ = 9352000.

The previous prime is 23389991. The next prime is 23390009. The reversal of 23390000 is 9332.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23389991) and next prime (23390009).

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (23390009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8831 + ... + 11169.

Almost surely, 2^23390000 is an apocalyptic number.

23390000 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 23390000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28326870).

23390000 is an abundant number, since it is smaller than the sum of its proper divisors (33263740).

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

23390000 is an equidigital number, since it uses as much as digits as its factorization.

23390000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 23390000 is about 4836.3209157375. The cubic root of 23390000 is about 285.9851003697.

Adding to 23390000 its reverse (9332), we get a palindrome (23399332).

The spelling of 23390000 in words is "twenty-three million, three hundred ninety thousand".