23250136 has 64 divisors (see below), whose sum is σ = 54331200. Its totient is φ = 9082368.

The previous prime is 23250121. The next prime is 23250151. The reversal of 23250136 is 63105232.

It is an interprime number because it is at equal distance from previous prime (23250121) and next prime (23250151).

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, 79206 + ... + 79498.

It is an arithmetic number, because the mean of its divisors is an integer number (848925).

Almost surely, 2^23250136 is an apocalyptic number.

23250136 is a gapful number since it is divisible by the number (26) 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 23250136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27165600).

23250136 is an abundant number, since it is smaller than the sum of its proper divisors (31081064).

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

23250136 is a wasteful number, since it uses less digits than its factorization.

23250136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23250136 is about 4821.8394830189. The cubic root of 23250136 is about 285.4139301731.

Adding to 23250136 its reverse (63105232), we get a palindrome (86355368).

The spelling of 23250136 in words is "twenty-three million, two hundred fifty thousand, one hundred thirty-six".