23234421111111 has 24 divisors (see below), whose sum is σ = 39247217060480. Its totient is φ = 12968048990736.

The previous prime is 23234421111103. The next prime is 23234421111137. The reversal of 23234421111111 is 11111112443232.

23234421111111 is a `hidden beast` number, since 2 + 3 + 234 + 421 + 1 + 1 + 1 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 23234421111111 - 2³ = 23234421111103 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 (23234421131111) 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, 4288373281 + ... + 4288378698.

Almost surely, 2^{23234421111111} is an apocalyptic number.

23234421111111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23234421111111 is a deficient number, since it is larger than the sum of its proper divisors (16012795949369).

23234421111111 is a wasteful number, since it uses less digits than its factorization.

23234421111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8576752035 (or 8576752032 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 23234421111111 its reverse (11111112443232), we get a palindrome (34345533554343).

The spelling of 23234421111111 in words is "twenty-three trillion, two hundred thirty-four billion, four hundred twenty-one million, one hundred eleven thousand, one hundred eleven".