23012667 has 30 divisors (see below), whose sum is σ = 36327588. Its totient is φ = 14515848.

The previous prime is 23012623. The next prime is 23012687. The reversal of 23012667 is 76621032.

It is a happy number.

It is not a de Polignac number, because 23012667 - 2⁸ = 23012411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 23012667.

It is not an unprimeable number, because it can be changed into a prime (23012617) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 28848 + ... + 29634.

Almost surely, 2^23012667 is an apocalyptic number.

23012667 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23012667 is a deficient number, since it is larger than the sum of its proper divisors (13314921).

23012667 is an equidigital number, since it uses as much as digits as its factorization.

23012667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 23012667 is about 4797.1519675741. The cubic root of 23012667 is about 284.4388960314.

Adding to 23012667 its reverse (76621032), we get a palindrome (99633699).

The spelling of 23012667 in words is "twenty-three million, twelve thousand, six hundred sixty-seven".