23273445 has 48 divisors (see below), whose sum is σ = 41682816. Its totient is φ = 11020800.

The previous prime is 23273443. The next prime is 23273489. The reversal of 23273445 is 54437232.

It is not a de Polignac number, because 23273445 - 2¹ = 23273443 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23273441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327760 + ... + 327830.

It is an arithmetic number, because the mean of its divisors is an integer number (868392).

Almost surely, 2^23273445 is an apocalyptic number.

It is an amenable number.

23273445 is a deficient number, since it is larger than the sum of its proper divisors (18409371).

23273445 is a wasteful number, since it uses less digits than its factorization.

23273445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 133 counting only the distinct ones).

The product of its digits is 20160, while the sum is 30.

The square root of 23273445 is about 4824.2559011727. The cubic root of 23273445 is about 285.5092771616.

The spelling of 23273445 in words is "twenty-three million, two hundred seventy-three thousand, four hundred forty-five".