23031122 has 16 divisors (see below), whose sum is σ = 35640000. Its totient is φ = 11156880.

The previous prime is 23031121. The next prime is 23031157. The reversal of 23031122 is 22113032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23031097 and 23031106.

It is not an unprimeable number, because it can be changed into a prime (23031121) 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, 7004 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (2227500).

Almost surely, 2^23031122 is an apocalyptic number.

23031122 is a deficient number, since it is larger than the sum of its proper divisors (12608878).

23031122 is a wasteful number, since it uses less digits than its factorization.

23031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881.

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

The square root of 23031122 is about 4799.0751192287. The cubic root of 23031122 is about 284.5149109383.

Adding to 23031122 its reverse (22113032), we get a palindrome (45144154).

The spelling of 23031122 in words is "twenty-three million, thirty-one thousand, one hundred twenty-two".