23122667 has 4 divisors (see below), whose sum is σ = 23192856. Its totient is φ = 23052480.

The previous prime is 23122609. The next prime is 23122709. The reversal of 23122667 is 76622132.

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

It is a cyclic number.

It is not a de Polignac number, because 23122667 - 2¹⁰ = 23121643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34598 + ... + 35259.

It is an arithmetic number, because the mean of its divisors is an integer number (5798214).

Almost surely, 2^23122667 is an apocalyptic number.

23122667 is a deficient number, since it is larger than the sum of its proper divisors (70189).

23122667 is an equidigital number, since it uses as much as digits as its factorization.

23122667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70188.

The product of its digits is 6048, while the sum is 29.

The square root of 23122667 is about 4808.6034355101. The cubic root of 23122667 is about 284.8913795574.

Adding to 23122667 its reverse (76622132), we get a palindrome (99744799).

The spelling of 23122667 in words is "twenty-three million, one hundred twenty-two thousand, six hundred sixty-seven".