123041399993 has 2 divisors, whose sum is σ = 123041399994. Its totient is φ = 123041399992.

The previous prime is 123041399981. The next prime is 123041400007. The reversal of 123041399993 is 399993140321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115303030969 + 7738369024 = 339563^2 + 87968^2 .

It is a cyclic number.

It is not a de Polignac number, because 123041399993 - 2¹⁴ = 123041383609 is a prime.

It is a super-2 number, since 2×123041399993² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (123041399093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61520699996 + 61520699997.

It is an arithmetic number, because the mean of its divisors is an integer number (61520699997).

Almost surely, 2^123041399993 is an apocalyptic number.

It is an amenable number.

123041399993 is a deficient number, since it is larger than the sum of its proper divisors (1).

123041399993 is an equidigital number, since it uses as much as digits as its factorization.

123041399993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The spelling of 123041399993 in words is "one hundred twenty-three billion, forty-one million, three hundred ninety-nine thousand, nine hundred ninety-three".