23445003 has 16 divisors (see below), whose sum is σ = 31825440. Its totient is φ = 15350016.

The previous prime is 23444999. The next prime is 23445011. The reversal of 23445003 is 30054432.

It is a happy number.

It is not a de Polignac number, because 23445003 - 2² = 23444999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23445053) 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, 73801 + ... + 74117.

It is an arithmetic number, because the mean of its divisors is an integer number (1989090).

Almost surely, 2^23445003 is an apocalyptic number.

23445003 is a deficient number, since it is larger than the sum of its proper divisors (8380437).

23445003 is a wasteful number, since it uses less digits than its factorization.

23445003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23445003 is about 4842.0040272598. The cubic root of 23445003 is about 286.2090953037.

Adding to 23445003 its reverse (30054432), we get a palindrome (53499435).

The spelling of 23445003 in words is "twenty-three million, four hundred forty-five thousand, three".