23143463 has 16 divisors (see below), whose sum is σ = 28600320. Its totient is φ = 18281376.

The previous prime is 23143459. The next prime is 23143487. The reversal of 23143463 is 36434132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23143463 - 2² = 23143459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (1787520).

Almost surely, 2^23143463 is an apocalyptic number.

23143463 is a deficient number, since it is larger than the sum of its proper divisors (5456857).

23143463 is a wasteful number, since it uses less digits than its factorization.

23143463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766.

The product of its digits is 5184, while the sum is 26.

The square root of 23143463 is about 4810.7653237297. The cubic root of 23143463 is about 284.9767622379.

Adding to 23143463 its reverse (36434132), we get a palindrome (59577595).

The spelling of 23143463 in words is "twenty-three million, one hundred forty-three thousand, four hundred sixty-three".