23103011 has 4 divisors (see below), whose sum is σ = 23112912. Its totient is φ = 23093112.

The previous prime is 23102941. The next prime is 23103019. The reversal of 23103011 is 11030132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23103011 - 2²² = 18908707 is a prime.

It is a super-2 number, since 2×23103011² = 1067498234532242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23102983 and 23103001.

It is not an unprimeable number, because it can be changed into a prime (23103019) 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, 701 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (5778228).

Almost surely, 2^23103011 is an apocalyptic number.

23103011 is a deficient number, since it is larger than the sum of its proper divisors (9901).

23103011 is an equidigital number, since it uses as much as digits as its factorization.

23103011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9900.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 23103011 is about 4806.5591643087. The cubic root of 23103011 is about 284.8106303303.

Adding to 23103011 its reverse (11030132), we get a palindrome (34133143).

It can be divided in two parts, 2 and 3103011, that added together give a palindrome (3103013).

The spelling of 23103011 in words is "twenty-three million, one hundred three thousand, eleven".