23404021111023 has 32 divisors (see below), whose sum is σ = 35984126747136. Its totient is φ = 13253439725568.

The previous prime is 23404021110961. The next prime is 23404021111039. The reversal of 23404021111023 is 32011112040432.

It is not a de Polignac number, because 23404021111023 - 2¹⁴ = 23404021094639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23404021110984 and 23404021111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404021111063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15616911 + ... + 17049807.

It is an arithmetic number, because the mean of its divisors is an integer number (1124503960848).

Almost surely, 2^{23404021111023} is an apocalyptic number.

23404021111023 is a deficient number, since it is larger than the sum of its proper divisors (12580105636113).

23404021111023 is a wasteful number, since it uses less digits than its factorization.

23404021111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439903.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 23404021111023 its reverse (32011112040432), we get a palindrome (55415133151455).

The spelling of 23404021111023 in words is "twenty-three trillion, four hundred four billion, twenty-one million, one hundred eleven thousand, twenty-three".