23031321323 has 4 divisors (see below), whose sum is σ = 23032261560. Its totient is φ = 23030381088.

The previous prime is 23031321281. The next prime is 23031321337. The reversal of 23031321323 is 32312313032.

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 23031321323 - 2¹⁶ = 23031255787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031321373) 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, 432365 + ... + 482702.

It is an arithmetic number, because the mean of its divisors is an integer number (5758065390).

Almost surely, 2^23031321323 is an apocalyptic number.

23031321323 is a deficient number, since it is larger than the sum of its proper divisors (940237).

23031321323 is an equidigital number, since it uses as much as digits as its factorization.

23031321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940236.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23031321323 its reverse (32312313032), we get a palindrome (55343634355).

The spelling of 23031321323 in words is "twenty-three billion, thirty-one million, three hundred twenty-one thousand, three hundred twenty-three".