23070842 has 4 divisors (see below), whose sum is σ = 34606266. Its totient is φ = 11535420.

The previous prime is 23070821. The next prime is 23070881. The reversal of 23070842 is 24807032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21169201 + 1901641 = 4601^2 + 1379^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767709 + ... + 5767712.

Almost surely, 2^23070842 is an apocalyptic number.

23070842 is a deficient number, since it is larger than the sum of its proper divisors (11535424).

23070842 is a wasteful number, since it uses less digits than its factorization.

23070842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11535423.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 23070842 is about 4803.2116338966. The cubic root of 23070842 is about 284.6783773103.

Adding to 23070842 its reverse (24807032), we get a palindrome (47877874).

The spelling of 23070842 in words is "twenty-three million, seventy thousand, eight hundred forty-two".