23112001 has 4 divisors (see below), whose sum is σ = 25213104. Its totient is φ = 21010900.

The previous prime is 23111983. The next prime is 23112007. The reversal of 23112001 is 10021132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23112001 - 2¹³ = 23103809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23112007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050535 + ... + 1050556.

It is an arithmetic number, because the mean of its divisors is an integer number (6303276).

Almost surely, 2^23112001 is an apocalyptic number.

It is an amenable number.

23112001 is a deficient number, since it is larger than the sum of its proper divisors (2101103).

23112001 is a wasteful number, since it uses less digits than its factorization.

23112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101102.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 23112001 is about 4807.4942537667. The cubic root of 23112001 is about 284.8475680196.

Adding to 23112001 its reverse (10021132), we get a palindrome (33133133).

The spelling of 23112001 in words is "twenty-three million, one hundred twelve thousand, one".