23043355 has 16 divisors (see below), whose sum is σ = 29067264. Its totient is φ = 17503200.

The previous prime is 23043343. The next prime is 23043359. The reversal of 23043355 is 55334032.

It is a happy number.

It is not a de Polignac number, because 23043355 - 2¹⁷ = 22912283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23043359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16702 + ... + 18028.

It is an arithmetic number, because the mean of its divisors is an integer number (1816704).

Almost surely, 2^23043355 is an apocalyptic number.

23043355 is a deficient number, since it is larger than the sum of its proper divisors (6023909).

23043355 is a wasteful number, since it uses less digits than its factorization.

23043355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 23043355 is about 4800.3494664451. The cubic root of 23043355 is about 284.5652754678.

Adding to 23043355 its reverse (55334032), we get a palindrome (78377387).

The spelling of 23043355 in words is "twenty-three million, forty-three thousand, three hundred fifty-five".