23401345 has 16 divisors (see below), whose sum is σ = 30864960. Its totient is φ = 16891200.

The previous prime is 23401307. The next prime is 23401349. The reversal of 23401345 is 54310432.

It is a de Polignac number, because none of the positive numbers 2^k-23401345 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23401349) 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, 6115 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (1929060).

Almost surely, 2^23401345 is an apocalyptic number.

It is an amenable number.

23401345 is a deficient number, since it is larger than the sum of its proper divisors (7463615).

23401345 is a wasteful number, since it uses less digits than its factorization.

23401345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23401345 is about 4837.4936692465. The cubic root of 23401345 is about 286.0313306182.

Adding to 23401345 its reverse (54310432), we get a palindrome (77711777).

The spelling of 23401345 in words is "twenty-three million, four hundred one thousand, three hundred forty-five".