23440203011 has 8 divisors (see below), whose sum is σ = 24245634048. Its totient is φ = 22637853000.

The previous prime is 23440203001. The next prime is 23440203023. The reversal of 23440203011 is 11030204432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23440203011 - 2²² = 23436008707 is a prime.

It is a super-2 number, since 2×23440203011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23440203001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754775 + ... + 785216.

It is an arithmetic number, because the mean of its divisors is an integer number (3030704256).

Almost surely, 2^23440203011 is an apocalyptic number.

23440203011 is a deficient number, since it is larger than the sum of its proper divisors (805431037).

23440203011 is a wasteful number, since it uses less digits than its factorization.

23440203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540513.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23440203011 its reverse (11030204432), we get a palindrome (34470407443).

The spelling of 23440203011 in words is "twenty-three billion, four hundred forty million, two hundred three thousand, eleven".