23023400243 has 4 divisors (see below), whose sum is σ = 23024493528. Its totient is φ = 23022306960.

The previous prime is 23023400209. The next prime is 23023400263. The reversal of 23023400243 is 34200432032.

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

It is a cyclic number.

It is not a de Polignac number, because 23023400243 - 2¹⁶ = 23023334707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23023400263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514421 + ... + 557382.

It is an arithmetic number, because the mean of its divisors is an integer number (5756123382).

Almost surely, 2^23023400243 is an apocalyptic number.

23023400243 is a deficient number, since it is larger than the sum of its proper divisors (1093285).

23023400243 is a wasteful number, since it uses less digits than its factorization.

23023400243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093284.

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

Adding to 23023400243 its reverse (34200432032), we get a palindrome (57223832275).

The spelling of 23023400243 in words is "twenty-three billion, twenty-three million, four hundred thousand, two hundred forty-three".