23373009 has 16 divisors (see below), whose sum is σ = 37775040. Its totient is φ = 14165280.

The previous prime is 23373001. The next prime is 23373013. The reversal of 23373009 is 90037332.

It is not a de Polignac number, because 23373009 - 2³ = 23373001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23373001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39052 + ... + 39645.

It is an arithmetic number, because the mean of its divisors is an integer number (2360940).

Almost surely, 2^23373009 is an apocalyptic number.

It is an amenable number.

23373009 is a deficient number, since it is larger than the sum of its proper divisors (14402031).

23373009 is a wasteful number, since it uses less digits than its factorization.

23373009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78717 (or 78711 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 23373009 is about 4834.5639927505. The cubic root of 23373009 is about 285.9158350153.

The spelling of 23373009 in words is "twenty-three million, three hundred seventy-three thousand, nine".