23121627 has 16 divisors (see below), whose sum is σ = 31417632. Its totient is φ = 15123200.

The previous prime is 23121617. The next prime is 23121643. The reversal of 23121627 is 72612132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23121627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23121597 and 23121606.

It is not an unprimeable number, because it can be changed into a prime (23121607) 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, 41233 + ... + 41789.

It is an arithmetic number, because the mean of its divisors is an integer number (1963602).

Almost surely, 2^23121627 is an apocalyptic number.

23121627 is a deficient number, since it is larger than the sum of its proper divisors (8296005).

23121627 is a wasteful number, since it uses less digits than its factorization.

23121627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its digits is 1008, while the sum is 24.

The square root of 23121627 is about 4808.4952947882. The cubic root of 23121627 is about 284.8871082583.

Adding to 23121627 its reverse (72612132), we get a palindrome (95733759).

The spelling of 23121627 in words is "twenty-three million, one hundred twenty-one thousand, six hundred twenty-seven".