23440423023 has 12 divisors (see below), whose sum is σ = 33894846960. Its totient is φ = 15610121856.

The previous prime is 23440423007. The next prime is 23440423033. The reversal of 23440423023 is 32032404432.

23440423023 is a `hidden beast` number, since 2 + 3 + 4 + 404 + 230 + 23 = 666.

It is not a de Polignac number, because 23440423023 - 2⁴ = 23440423007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440423003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1393411 + ... + 1410132.

It is an arithmetic number, because the mean of its divisors is an integer number (2824570580).

Almost surely, 2^23440423023 is an apocalyptic number.

23440423023 is a deficient number, since it is larger than the sum of its proper divisors (10454423937).

23440423023 is a wasteful number, since it uses less digits than its factorization.

23440423023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804478 (or 2804475 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 23440423023 its reverse (32032404432), we get a palindrome (55472827455).

The spelling of 23440423023 in words is "twenty-three billion, four hundred forty million, four hundred twenty-three thousand, twenty-three".