23201123423 has 8 divisors (see below), whose sum is σ = 23373517440. Its totient is φ = 23028807960.

The previous prime is 23201123401. The next prime is 23201123437. The reversal of 23201123423 is 32432110232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23201123423 - 2¹² = 23201119327 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 (23201123443) 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 7 ways as a sum of consecutive naturals, for example, 659936 + ... + 694202.

It is an arithmetic number, because the mean of its divisors is an integer number (2921689680).

Almost surely, 2^23201123423 is an apocalyptic number.

23201123423 is a deficient number, since it is larger than the sum of its proper divisors (172394017).

23201123423 is a wasteful number, since it uses less digits than its factorization.

23201123423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39277.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23201123423 its reverse (32432110232), we get a palindrome (55633233655).

The spelling of 23201123423 in words is "twenty-three billion, two hundred one million, one hundred twenty-three thousand, four hundred twenty-three".