23143069 has 4 divisors (see below), whose sum is σ = 24504444. Its totient is φ = 21781696.

The previous prime is 23143067. The next prime is 23143079. The reversal of 23143069 is 96034132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11323225 + 11819844 = 3365^2 + 3438^2 .

It is a cyclic number.

It is not a de Polignac number, because 23143069 - 2¹ = 23143067 is a prime.

It is a super-2 number, since 2×23143069² = 1071203285477522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680662 + ... + 680695.

It is an arithmetic number, because the mean of its divisors is an integer number (6126111).

Almost surely, 2^23143069 is an apocalyptic number.

It is an amenable number.

23143069 is a deficient number, since it is larger than the sum of its proper divisors (1361375).

23143069 is a wasteful number, since it uses less digits than its factorization.

23143069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361374.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 23143069 is about 4810.7243737300. The cubic root of 23143069 is about 284.9751450572.

The spelling of 23143069 in words is "twenty-three million, one hundred forty-three thousand, sixty-nine".