23043790 has 32 divisors (see below), whose sum is σ = 51715584. Its totient is φ = 7182240.

The previous prime is 23043781. The next prime is 23043793. The reversal of 23043790 is 9734032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14194 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (1616112).

Almost surely, 2^23043790 is an apocalyptic number.

23043790 is an abundant number, since it is smaller than the sum of its proper divisors (28671794).

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

23043790 is a wasteful number, since it uses less digits than its factorization.

23043790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29952.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23043790 is about 4800.3947754325. The cubic root of 23043790 is about 284.5670660797.

The spelling of 23043790 in words is "twenty-three million, forty-three thousand, seven hundred ninety".