23073473 has 8 divisors (see below), whose sum is σ = 23935080. Its totient is φ = 22216320.

The previous prime is 23073469. The next prime is 23073481. The reversal of 23073473 is 37437032.

It can be written as a sum of positive squares in 4 ways, for example, as 1236544 + 21836929 = 1112^2 + 4673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23073473 - 2² = 23073469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23073443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12383 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (2991885).

Almost surely, 2^23073473 is an apocalyptic number.

It is an amenable number.

23073473 is a deficient number, since it is larger than the sum of its proper divisors (861607).

23073473 is a wasteful number, since it uses less digits than its factorization.

23073473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227.

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 23073473 is about 4803.4855053388. The cubic root of 23073473 is about 284.6891984778.

The spelling of 23073473 in words is "twenty-three million, seventy-three thousand, four hundred seventy-three".