23331473 has 4 divisors (see below), whose sum is σ = 25452528. Its totient is φ = 21210420.

The previous prime is 23331461. The next prime is 23331541. The reversal of 23331473 is 37413332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23331473 - 2¹⁰ = 23330449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23331073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060511 + ... + 1060532.

It is an arithmetic number, because the mean of its divisors is an integer number (6363132).

Almost surely, 2^23331473 is an apocalyptic number.

It is an amenable number.

23331473 is a deficient number, since it is larger than the sum of its proper divisors (2121055).

23331473 is a wasteful number, since it uses less digits than its factorization.

23331473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121054.

The product of its digits is 4536, while the sum is 26.

The square root of 23331473 is about 4830.2663487638. The cubic root of 23331473 is about 285.7463682902.

The spelling of 23331473 in words is "twenty-three million, three hundred thirty-one thousand, four hundred seventy-three".