123220110032 has 10 divisors (see below), whose sum is σ = 238738963218. Its totient is φ = 61610055008.

The previous prime is 123220109977. The next prime is 123220110059. The reversal of 123220110032 is 230011022321.

It can be written as a sum of positive squares in only one way, i.e., 106821770896 + 16398339136 = 326836^2 + 128056^2 .

It is a super-3 number, since 3×123220110032³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3850628423 + ... + 3850628454.

Almost surely, 2^123220110032 is an apocalyptic number.

It is an amenable number.

123220110032 is a deficient number, since it is larger than the sum of its proper divisors (115518853186).

123220110032 is an equidigital number, since it uses as much as digits as its factorization.

123220110032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701256885 (or 7701256879 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123220110032 its reverse (230011022321), we get a palindrome (353231132353).

The spelling of 123220110032 in words is "one hundred twenty-three billion, two hundred twenty million, one hundred ten thousand, thirty-two".