23498320 has 20 divisors (see below), whose sum is σ = 54633780. Its totient is φ = 9399296.

The previous prime is 23498311. The next prime is 23498351. The reversal of 23498320 is 2389432.

It can be written as a sum of positive squares in 2 ways, for example, as 5588496 + 17909824 = 2364^2 + 4232^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 146785 + ... + 146944.

It is an arithmetic number, because the mean of its divisors is an integer number (2731689).

Almost surely, 2^23498320 is an apocalyptic number.

23498320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23498320 is an abundant number, since it is smaller than the sum of its proper divisors (31135460).

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

23498320 is a wasteful number, since it uses less digits than its factorization.

23498320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293742 (or 293736 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23498320 is about 4847.5065755499. The cubic root of 23498320 is about 286.4258900058.

The spelling of 23498320 in words is "twenty-three million, four hundred ninety-eight thousand, three hundred twenty".