23140467 has 12 divisors (see below), whose sum is σ = 38200240. Its totient is φ = 13223088.

The previous prime is 23140433. The next prime is 23140501. The reversal of 23140467 is 76404132.

It is an interprime number because it is at equal distance from previous prime (23140433) and next prime (23140501).

It is not a de Polignac number, because 23140467 - 2¹⁰ = 23139443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23140467.

It is not an unprimeable number, because it can be changed into a prime (23140427) 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 11 ways as a sum of consecutive naturals, for example, 183592 + ... + 183717.

Almost surely, 2^23140467 is an apocalyptic number.

23140467 is a deficient number, since it is larger than the sum of its proper divisors (15059773).

23140467 is a wasteful number, since it uses less digits than its factorization.

23140467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367322 (or 367319 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 23140467 is about 4810.4539286849. The cubic root of 23140467 is about 284.9644646368.

Adding to 23140467 its reverse (76404132), we get a palindrome (99544599).

The spelling of 23140467 in words is "twenty-three million, one hundred forty thousand, four hundred sixty-seven".