12354231377 has 2 divisors, whose sum is σ = 12354231378. Its totient is φ = 12354231376.

The previous prime is 12354231367. The next prime is 12354231473. The reversal of 12354231377 is 77313245321.

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., 11983899841 + 370331536 = 109471^2 + 19244^2 .

It is a cyclic number.

It is not a de Polignac number, because 12354231377 - 2⁴ = 12354231361 is a prime.

It is a super-2 number, since 2×12354231377² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12354231377.

It is not a weakly prime, because it can be changed into another prime (12354231367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177115688 + 6177115689.

It is an arithmetic number, because the mean of its divisors is an integer number (6177115689).

Almost surely, 2^12354231377 is an apocalyptic number.

It is an amenable number.

12354231377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12354231377 is an equidigital number, since it uses as much as digits as its factorization.

12354231377 is an evil number, because the sum of its binary digits is even.

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

Adding to 12354231377 its reverse (77313245321), we get a palindrome (89667476698).

The spelling of 12354231377 in words is "twelve billion, three hundred fifty-four million, two hundred thirty-one thousand, three hundred seventy-seven".