23440603311 has 16 divisors (see below), whose sum is σ = 34749387520. Its totient is φ = 15616913400.

The previous prime is 23440603301. The next prime is 23440603349. The reversal of 23440603311 is 11330604432.

23440603311 is a `hidden beast` number, since 2 + 3 + 4 + 40 + 603 + 3 + 11 = 666.

It is not a de Polignac number, because 23440603311 - 2¹¹ = 23440601263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440603301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239665 + ... + 322986.

It is an arithmetic number, because the mean of its divisors is an integer number (2171836720).

Almost surely, 2^23440603311 is an apocalyptic number.

23440603311 is a deficient number, since it is larger than the sum of its proper divisors (11308784209).

23440603311 is a wasteful number, since it uses less digits than its factorization.

23440603311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564203 (or 564197 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The spelling of 23440603311 in words is "twenty-three billion, four hundred forty million, six hundred three thousand, three hundred eleven".