23597980 has 48 divisors (see below), whose sum is σ = 57435840. Its totient is φ = 7976448.

The previous prime is 23597963. The next prime is 23598049. The reversal of 23597980 is 8979532.

It is a happy number.

It is a super-3 number, since 3×23597980³ (a number of 23 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 9066 + ... + 11374.

It is an arithmetic number, because the mean of its divisors is an integer number (1196580).

Almost surely, 2^23597980 is an apocalyptic number.

23597980 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 23597980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28717920).

23597980 is an abundant number, since it is smaller than the sum of its proper divisors (33837860).

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

23597980 is a wasteful number, since it uses less digits than its factorization.

23597980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 23597980 is about 4857.7752109376. The cubic root of 23597980 is about 286.8302443617.

The spelling of 23597980 in words is "twenty-three million, five hundred ninety-seven thousand, nine hundred eighty".