123030303401 has 2 divisors, whose sum is σ = 123030303402. Its totient is φ = 123030303400.

The previous prime is 123030303391. The next prime is 123030303437. The reversal of 123030303401 is 104303030321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112560921001 + 10469382400 = 335501^2 + 102320^2 .

It is a cyclic number.

It is not a de Polignac number, because 123030303401 - 2¹⁸ = 123030041257 is a prime.

It is a super-2 number, since 2×123030303401² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123030300401) by changing a digit.

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, 61515151700 + 61515151701.

It is an arithmetic number, because the mean of its divisors is an integer number (61515151701).

Almost surely, 2^123030303401 is an apocalyptic number.

It is an amenable number.

123030303401 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030303401 is an equidigital number, since it uses as much as digits as its factorization.

123030303401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123030303401 its reverse (104303030321), we get a palindrome (227333333722).

The spelling of 123030303401 in words is "one hundred twenty-three billion, thirty million, three hundred three thousand, four hundred one".