123030245013437 has 2 divisors, whose sum is σ = 123030245013438. Its totient is φ = 123030245013436.

The previous prime is 123030245013409. The next prime is 123030245013469. The reversal of 123030245013437 is 734310542030321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82350161940601 + 40680083072836 = 9074699^2 + 6378094^2 .

It is a cyclic number.

It is not a de Polignac number, because 123030245013437 - 2¹² = 123030245009341 is a prime.

It is a super-3 number, since 3×123030245013437³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123030245013437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123030245013407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515122506718 + 61515122506719.

It is an arithmetic number, because the mean of its divisors is an integer number (61515122506719).

Almost surely, 2^{123030245013437} is an apocalyptic number.

It is an amenable number.

123030245013437 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030245013437 is an equidigital number, since it uses as much as digits as its factorization.

123030245013437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 38.

Adding to 123030245013437 its reverse (734310542030321), we get a palindrome (857340787043758).

The spelling of 123030245013437 in words is "one hundred twenty-three trillion, thirty billion, two hundred forty-five million, thirteen thousand, four hundred thirty-seven".