23043442 has 16 divisors (see below), whose sum is σ = 36127872. Its totient is φ = 11012400.

The previous prime is 23043439. The next prime is 23043443. The reversal of 23043442 is 24434032.

It is not an unprimeable number, because it can be changed into a prime (23043443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192 + ... + 6892.

It is an arithmetic number, because the mean of its divisors is an integer number (2257992).

Almost surely, 2^23043442 is an apocalyptic number.

23043442 is a deficient number, since it is larger than the sum of its proper divisors (13084430).

23043442 is a wasteful number, since it uses less digits than its factorization.

23043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 23043442 is about 4800.3585282768. The cubic root of 23043442 is about 284.5656335920.

Adding to 23043442 its reverse (24434032), we get a palindrome (47477474).

The spelling of 23043442 in words is "twenty-three million, forty-three thousand, four hundred forty-two".