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11423011 = 97117763

11423011 has 4 divisors (see below), whose sum is σ = 11540872. Its totient is φ = 11305152.

The previous prime is 11423003. The next prime is 11423023. The reversal of 11423011 is 11032411.

Adding to 11423011 its reverse (11032411), we get a palindrome (22455422).

11423011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11032411 = 13848647.

It is a cyclic number.

It is not a de Polignac number, because 11423011 - 23 = 11423003 is a prime.

It is a super-2 number, since 2×114230112 = 260970360612242, 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 = 11422982 and 11423000.

It is not an unprimeable number, because it can be changed into a prime (11423081) 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, 58785 + ... + 58978.

It is an arithmetic number, because the mean of its divisors is an integer number (2885218).

Almost surely, 211423011 is an apocalyptic number.

11423011 is a deficient number, since it is larger than the sum of its proper divisors (117861).

11423011 is an equidigital number, since it uses as much as digits as its factorization.

11423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117860.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11423011 is about 3379.7945203814. The cubic root of 11423011 is about 225.2130393740.

The spelling of 11423011 in words is "eleven million, four hundred twenty-three thousand, eleven".

Divisors: 1 97 117763 11423011