23121322 has 16 divisors (see below), whose sum is σ = 39699072. Its totient is φ = 9893520.

The previous prime is 23121283. The next prime is 23121331. The reversal of 23121322 is 22312132.

It is a junction number, because it is equal to n+sod(n) for n = 23121296 and 23121305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14547 + ... + 16057.

It is an arithmetic number, because the mean of its divisors is an integer number (2481192).

Almost surely, 2^23121322 is an apocalyptic number.

23121322 is a deficient number, since it is larger than the sum of its proper divisors (16577750).

23121322 is a wasteful number, since it uses less digits than its factorization.

23121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613.

The product of its digits is 144, while the sum is 16.

The square root of 23121322 is about 4808.4635799806. The cubic root of 23121322 is about 284.8858555935.

Adding to 23121322 its reverse (22312132), we get a palindrome (45433454).

It can be divided in two parts, 2312132 and 2, that multiplied together give a palindrome (4624264).

The spelling of 23121322 in words is "twenty-three million, one hundred twenty-one thousand, three hundred twenty-two".