123044401351 has 4 divisors (see below), whose sum is σ = 124312900432. Its totient is φ = 121775902272.

The previous prime is 123044401343. The next prime is 123044401369. The reversal of 123044401351 is 153104440321.

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

It is a cyclic number.

It is not a de Polignac number, because 123044401351 - 2³ = 123044401343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123044401301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634249395 + ... + 634249588.

It is an arithmetic number, because the mean of its divisors is an integer number (31078225108).

Almost surely, 2^123044401351 is an apocalyptic number.

123044401351 is a deficient number, since it is larger than the sum of its proper divisors (1268499081).

123044401351 is an equidigital number, since it uses as much as digits as its factorization.

123044401351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268499080.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 123044401351 its reverse (153104440321), we get a palindrome (276148841672).

The spelling of 123044401351 in words is "one hundred twenty-three billion, forty-four million, four hundred one thousand, three hundred fifty-one".