23400042323 has 4 divisors (see below), whose sum is σ = 26742905520. Its totient is φ = 20057179128.

The previous prime is 23400042301. The next prime is 23400042383. The reversal of 23400042323 is 32324000432.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23400042323 - 2¹² = 23400038227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23400042383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671431588 + ... + 1671431601.

It is an arithmetic number, because the mean of its divisors is an integer number (6685726380).

Almost surely, 2^23400042323 is an apocalyptic number.

23400042323 is a deficient number, since it is larger than the sum of its proper divisors (3342863197).

23400042323 is an equidigital number, since it uses as much as digits as its factorization.

23400042323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342863196.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 23400042323 its reverse (32324000432), we get a palindrome (55724042755).

The spelling of 23400042323 in words is "twenty-three billion, four hundred million, forty-two thousand, three hundred twenty-three".