23400273 has 16 divisors (see below), whose sum is σ = 34009920. Its totient is φ = 14224704.

The previous prime is 23400259. The next prime is 23400331. The reversal of 23400273 is 37200432.

It is a happy number.

It is not a de Polignac number, because 23400273 - 2²² = 19205969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23400203) 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, 378 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (2125620).

Almost surely, 2^23400273 is an apocalyptic number.

It is an amenable number.

23400273 is a deficient number, since it is larger than the sum of its proper divisors (10609647).

23400273 is a wasteful number, since it uses less digits than its factorization.

23400273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7328.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 23400273 is about 4837.3828667989. The cubic root of 23400273 is about 286.0269629167.

The spelling of 23400273 in words is "twenty-three million, four hundred thousand, two hundred seventy-three".