122023631444 has 36 divisors (see below), whose sum is σ = 252774331572. Its totient is φ = 51198723840.

The previous prime is 122023631381. The next prime is 122023631491. The reversal of 122023631444 is 444136320221.

It can be written as a sum of positive squares in 2 ways, for example, as 13544304400 + 108479327044 = 116380^2 + 329362^2 .

It is a super-2 number, since 2×122023631444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122023631444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9690437 + ... + 9703020.

Almost surely, 2^122023631444 is an apocalyptic number.

It is an amenable number.

122023631444 is an abundant number, since it is smaller than the sum of its proper divisors (130750700128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122023631444 is a wasteful number, since it uses less digits than its factorization.

122023631444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19393496 (or 19393483 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 122023631444 its reverse (444136320221), we get a palindrome (566159951665).

The spelling of 122023631444 in words is "one hundred twenty-two billion, twenty-three million, six hundred thirty-one thousand, four hundred forty-four".