23243430 has 64 divisors (see below), whose sum is σ = 64263168. Its totient is φ = 5270400.

The previous prime is 23243417. The next prime is 23243443. The reversal of 23243430 is 3434232.

It is an interprime number because it is at equal distance from previous prime (23243417) and next prime (23243443).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23243397 and 23243406.

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, 31344 + ... + 32076.

It is an arithmetic number, because the mean of its divisors is an integer number (1004112).

Almost surely, 2^23243430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23243430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32131584).

23243430 is an abundant number, since it is smaller than the sum of its proper divisors (41019738).

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

23243430 is a wasteful number, since it uses less digits than its factorization.

23243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23243430 is about 4821.1440550973. The cubic root of 23243430 is about 285.3864870381.

Adding to 23243430 its reverse (3434232), we get a palindrome (26677662).

The spelling of 23243430 in words is "twenty-three million, two hundred forty-three thousand, four hundred thirty".