23445001 has 4 divisors (see below), whose sum is σ = 23602500. Its totient is φ = 23287504.

The previous prime is 23444999. The next prime is 23445011. The reversal of 23445001 is 10054432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7284601 + 16160400 = 2699^2 + 4020^2 .

It is a cyclic number.

It is not a de Polignac number, because 23445001 - 2¹ = 23444999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23445001.

It is not an unprimeable number, because it can be changed into a prime (23445011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78526 + ... + 78823.

It is an arithmetic number, because the mean of its divisors is an integer number (5900625).

Almost surely, 2^23445001 is an apocalyptic number.

It is an amenable number.

23445001 is a deficient number, since it is larger than the sum of its proper divisors (157499).

23445001 is a wasteful number, since it uses less digits than its factorization.

23445001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157498.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 23445001 is about 4842.0038207337. The cubic root of 23445001 is about 286.2090871652.

Adding to 23445001 its reverse (10054432), we get a palindrome (33499433).

The spelling of 23445001 in words is "twenty-three million, four hundred forty-five thousand, one".