23413500 has 216 divisors, whose sum is σ = 83074992. Its totient is φ = 5544000.

The previous prime is 23413493. The next prime is 23413513. The reversal of 23413500 is 531432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 544479 + ... + 544521.

Almost surely, 2^23413500 is an apocalyptic number.

23413500 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 23413500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41537496).

23413500 is an abundant number, since it is smaller than the sum of its proper divisors (59661492).

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

23413500 is a wasteful number, since it uses less digits than its factorization.

23413500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23413500 is about 4838.7498385430. The cubic root of 23413500 is about 286.0808449951.

Adding to 23413500 its reverse (531432), we get a palindrome (23944932).

The spelling of 23413500 in words is "twenty-three million, four hundred thirteen thousand, five hundred".