23453944911 has 24 divisors (see below), whose sum is σ = 34857418544. Its totient is φ = 15185439360.

The previous prime is 23453944903. The next prime is 23453944931. The reversal of 23453944911 is 11944935432.

23453944911 is a `hidden beast` number, since 23 + 4 + 53 + 94 + 491 + 1 = 666.

It is not a de Polignac number, because 23453944911 - 2³ = 23453944903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23453944901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117771 + ... + 246531.

Almost surely, 2^23453944911 is an apocalyptic number.

23453944911 is a deficient number, since it is larger than the sum of its proper divisors (11403473633).

23453944911 is a wasteful number, since it uses less digits than its factorization.

23453944911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129351 (or 129348 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 23453944911 in words is "twenty-three billion, four hundred fifty-three million, nine hundred forty-four thousand, nine hundred eleven".