23253858 has 64 divisors (see below), whose sum is σ = 55624320. Its totient is φ = 7174656.

The previous prime is 23253833. The next prime is 23253869. The reversal of 23253858 is 85835232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66841 + ... + 67187.

It is an arithmetic number, because the mean of its divisors is an integer number (869130).

Almost surely, 2^23253858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23253858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27812160).

23253858 is an abundant number, since it is smaller than the sum of its proper divisors (32370462).

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

23253858 is a wasteful number, since it uses less digits than its factorization.

23253858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 23253858 is about 4822.2254198658. The cubic root of 23253858 is about 285.4291595316.

The spelling of 23253858 in words is "twenty-three million, two hundred fifty-three thousand, eight hundred fifty-eight".