23122031 has 8 divisors (see below), whose sum is σ = 24582000. Its totient is φ = 21686400.

The previous prime is 23122027. The next prime is 23122037. The reversal of 23122031 is 13022132.

It is a happy number.

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 23122031 - 2² = 23122027 is a prime.

It is a super-2 number, since 2×23122031² = 1069256635129922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23121997 and 23122015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4106 + ... + 7943.

It is an arithmetic number, because the mean of its divisors is an integer number (3072750).

Almost surely, 2^23122031 is an apocalyptic number.

23122031 is a deficient number, since it is larger than the sum of its proper divisors (1459969).

23122031 is a wasteful number, since it uses less digits than its factorization.

23122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12169.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23122031 is about 4808.5373035883. The cubic root of 23122031 is about 284.8887675090. Note that the first 3 decimals are identical.

Adding to 23122031 its reverse (13022132), we get a palindrome (36144163).

The spelling of 23122031 in words is "twenty-three million, one hundred twenty-two thousand, thirty-one".