23070730 has 8 divisors (see below), whose sum is σ = 41527332. Its totient is φ = 9228288.

The previous prime is 23070709. The next prime is 23070779. The reversal of 23070730 is 3707032.

It can be written as a sum of positive squares in 2 ways, for example, as 22819729 + 251001 = 4777^2 + 501^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153527 + ... + 1153546.

Almost surely, 2^23070730 is an apocalyptic number.

23070730 is a deficient number, since it is larger than the sum of its proper divisors (18456602).

23070730 is a wasteful number, since it uses less digits than its factorization.

23070730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307080.

The product of its (nonzero) digits is 882, while the sum is 22.

The square root of 23070730 is about 4803.1999750167. The cubic root of 23070730 is about 284.6779166418.

Adding to 23070730 its reverse (3707032), we get a palindrome (26777762).

The spelling of 23070730 in words is "twenty-three million, seventy thousand, seven hundred thirty".