23073930 has 128 divisors (see below), whose sum is σ = 71228160. Its totient is φ = 5253120.

The previous prime is 23073901. The next prime is 23073931. The reversal of 23073930 is 3937032.

It is a super-3 number, since 3×23073930³ (a number of 23 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 23073894 and 23073903.

It is not an unprimeable number, because it can be changed into a prime (23073931) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50262 + ... + 50718.

It is an arithmetic number, because the mean of its divisors is an integer number (556470).

Almost surely, 2^23073930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23073930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35614080).

23073930 is an abundant number, since it is smaller than the sum of its proper divisors (48154230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23073930 is a wasteful number, since it uses less digits than its factorization.

23073930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 495 counting only the distinct ones).

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

The square root of 23073930 is about 4803.5330747274. The cubic root of 23073930 is about 284.6910780115.

The spelling of 23073930 in words is "twenty-three million, seventy-three thousand, nine hundred thirty".