123214440401 has 6 divisors (see below), whose sum is σ = 133421553990. Its totient is φ = 113736406368.

The previous prime is 123214440383. The next prime is 123214440413. The reversal of 123214440401 is 104044412321.

It can be written as a sum of positive squares in 3 ways, for example, as 7056168001 + 116158272400 = 84001^2 + 340820^2 .

It is not a de Polignac number, because 123214440401 - 2¹⁸ = 123214178257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123214440101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364539596 + ... + 364539933.

It is an arithmetic number, because the mean of its divisors is an integer number (22236925665).

Almost surely, 2^123214440401 is an apocalyptic number.

It is an amenable number.

123214440401 is a deficient number, since it is larger than the sum of its proper divisors (10207113589).

123214440401 is an equidigital number, since it uses as much as digits as its factorization.

123214440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729079555 (or 729079542 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 123214440401 its reverse (104044412321), we get a palindrome (227258852722).

The spelling of 123214440401 in words is "one hundred twenty-three billion, two hundred fourteen million, four hundred forty thousand, four hundred one".