23430440400023 has 16 divisors (see below), whose sum is σ = 24713459601600. Its totient is φ = 22169675759616.

The previous prime is 23430440400001. The next prime is 23430440400043. The reversal of 23430440400023 is 32000404403432.

It is a cyclic number.

It is not a de Polignac number, because 23430440400023 - 2¹⁶ = 23430440334487 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 (23430440400043) 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, 1896503 + ... + 7103351.

It is an arithmetic number, because the mean of its divisors is an integer number (1544591225100).

Almost surely, 2^{23430440400023} is an apocalyptic number.

23430440400023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23430440400023 is a deficient number, since it is larger than the sum of its proper divisors (1283019201577).

23430440400023 is a wasteful number, since it uses less digits than its factorization.

23430440400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208986.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 23430440400023 its reverse (32000404403432), we get a palindrome (55430844803455).

The spelling of 23430440400023 in words is "twenty-three trillion, four hundred thirty billion, four hundred forty million, four hundred thousand, twenty-three".