23013011 has 4 divisors (see below), whose sum is σ = 26300592. Its totient is φ = 19725432.

The previous prime is 23013007. The next prime is 23013059. The reversal of 23013011 is 11031032.

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 23013011 - 2² = 23013007 is a prime.

It is a super-2 number, since 2×23013011² = 1059197350572242, 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 = 23012983 and 23013001.

It is not an unprimeable number, because it can be changed into a prime (23013511) 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, 1643780 + ... + 1643793.

It is an arithmetic number, because the mean of its divisors is an integer number (6575148).

Almost surely, 2^23013011 is an apocalyptic number.

23013011 is a deficient number, since it is larger than the sum of its proper divisors (3287581).

23013011 is an equidigital number, since it uses as much as digits as its factorization.

23013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287580.

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

The square root of 23013011 is about 4797.1878220474. The cubic root of 23013011 is about 284.4403133160.

Adding to 23013011 its reverse (11031032), we get a palindrome (34044043).

The spelling of 23013011 in words is "twenty-three million, thirteen thousand, eleven".