23434345 has 16 divisors (see below), whose sum is σ = 30829248. Its totient is φ = 16959040.

The previous prime is 23434343. The next prime is 23434351. The reversal of 23434345 is 54343432.

23434345 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 23434345 - 2¹ = 23434343 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23434343) 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, 11547 + ... + 13423.

It is an arithmetic number, because the mean of its divisors is an integer number (1926828).

Almost surely, 2^23434345 is an apocalyptic number.

It is an amenable number.

23434345 is a deficient number, since it is larger than the sum of its proper divisors (7394903).

23434345 is a wasteful number, since it uses less digits than its factorization.

23434345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120.

The product of its digits is 17280, while the sum is 28.

The square root of 23434345 is about 4840.9033247938. The cubic root of 23434345 is about 286.1657189121.

Adding to 23434345 its reverse (54343432), we get a palindrome (77777777).

The spelling of 23434345 in words is "twenty-three million, four hundred thirty-four thousand, three hundred forty-five".