23067538 has 16 divisors (see below), whose sum is σ = 39455640. Its totient is φ = 10020096.

The previous prime is 23067533. The next prime is 23067547. The reversal of 23067538 is 83576032.

It can be written as a sum of positive squares in 4 ways, for example, as 10936249 + 12131289 = 3307^2 + 3483^2 .

It is a super-2 number, since 2×23067538² = 1064222618762888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (23067533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25653 + ... + 26536.

Almost surely, 2^23067538 is an apocalyptic number.

23067538 is a deficient number, since it is larger than the sum of its proper divisors (16388102).

23067538 is a wasteful number, since it uses less digits than its factorization.

23067538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52221.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 23067538 is about 4802.8676850398. The cubic root of 23067538 is about 284.6647869630.

The spelling of 23067538 in words is "twenty-three million, sixty-seven thousand, five hundred thirty-eight".