23432838 has 64 divisors (see below), whose sum is σ = 56899584. Its totient is φ = 6336000.

The previous prime is 23432821. The next prime is 23432839. The reversal of 23432838 is 83823432.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 23432799 and 23432808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26158 + ... + 27038.

It is an arithmetic number, because the mean of its divisors is an integer number (889056).

Almost surely, 2^23432838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23432838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28449792).

23432838 is an abundant number, since it is smaller than the sum of its proper divisors (33466746).

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

23432838 is a wasteful number, since it uses less digits than its factorization.

23432838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941.

The product of its digits is 27648, while the sum is 33.

The square root of 23432838 is about 4840.7476695238. The cubic root of 23432838 is about 286.1595845968.

The spelling of 23432838 in words is "twenty-three million, four hundred thirty-two thousand, eight hundred thirty-eight".