123235410377 has 2 divisors, whose sum is σ = 123235410378. Its totient is φ = 123235410376.

The previous prime is 123235410367. The next prime is 123235410409. The reversal of 123235410377 is 773014532321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86551286416 + 36684123961 = 294196^2 + 191531^2 .

It is a cyclic number.

It is not a de Polignac number, because 123235410377 - 2⁸ = 123235410121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123235410377.

It is not a weakly prime, because it can be changed into another prime (123235410307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61617705188 + 61617705189.

It is an arithmetic number, because the mean of its divisors is an integer number (61617705189).

Almost surely, 2^123235410377 is an apocalyptic number.

It is an amenable number.

123235410377 is a deficient number, since it is larger than the sum of its proper divisors (1).

123235410377 is an equidigital number, since it uses as much as digits as its factorization.

123235410377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

Adding to 123235410377 its reverse (773014532321), we get a palindrome (896249942698).

The spelling of 123235410377 in words is "one hundred twenty-three billion, two hundred thirty-five million, four hundred ten thousand, three hundred seventy-seven".