23323121323031 has 4 divisors (see below), whose sum is σ = 23323142212200. Its totient is φ = 23323100433864.

The previous prime is 23323121323003. The next prime is 23323121323037. The reversal of 23323121323031 is 13032312132332.

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 23323121323031 - 2¹⁴ = 23323121306647 is a prime.

It is a super-2 number, since 2×23323121323031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23323121322985 and 23323121323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323121323037) 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, 8669216 + ... + 11036373.

It is an arithmetic number, because the mean of its divisors is an integer number (5830785553050).

Almost surely, 2^{23323121323031} is an apocalyptic number.

23323121323031 is a deficient number, since it is larger than the sum of its proper divisors (20889169).

23323121323031 is a wasteful number, since it uses less digits than its factorization.

23323121323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20889168.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 23323121323031 its reverse (13032312132332), we get a palindrome (36355433455363).

The spelling of 23323121323031 in words is "twenty-three trillion, three hundred twenty-three billion, one hundred twenty-one million, three hundred twenty-three thousand, thirty-one".