23394444 has 48 divisors (see below), whose sum is σ = 56125440. Its totient is φ = 7581760.

The previous prime is 23394439. The next prime is 23394461. The reversal of 23394444 is 44449332.

Added to its reverse (44449332) it gives a triangular number (67843776 = T₁₁₆₄₈).

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122389 + ... + 122579.

It is an arithmetic number, because the mean of its divisors is an integer number (1169280).

Almost surely, 2^23394444 is an apocalyptic number.

It is an amenable number.

23394444 is an abundant number, since it is smaller than the sum of its proper divisors (32730996).

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

23394444 is a wasteful number, since it uses less digits than its factorization.

23394444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 428 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 23394444 is about 4836.7803340652. The cubic root of 23394444 is about 286.0032112049.

Adding to 23394444 its reverse (44449332), we get a triangular number (67843776 = T₁₁₆₄₈).

The spelling of 23394444 in words is "twenty-three million, three hundred ninety-four thousand, four hundred forty-four".