23001021122 has 4 divisors (see below), whose sum is σ = 34501531686. Its totient is φ = 11500510560.

The previous prime is 23001021107. The next prime is 23001021137. The reversal of 23001021122 is 22112010032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23001021107) and next prime (23001021137).

It can be written as a sum of positive squares in only one way, i.e., 20796812521 + 2204208601 = 144211^2 + 46949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23001021097 and 23001021106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750255279 + ... + 5750255282.

Almost surely, 2^23001021122 is an apocalyptic number.

23001021122 is a deficient number, since it is larger than the sum of its proper divisors (11500510564).

23001021122 is a wasteful number, since it uses less digits than its factorization.

23001021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500510563.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 23001021122 its reverse (22112010032), we get a palindrome (45113031154).

The spelling of 23001021122 in words is "twenty-three billion, one million, twenty-one thousand, one hundred twenty-two".