123422760431 has 2 divisors, whose sum is σ = 123422760432. Its totient is φ = 123422760430.

The previous prime is 123422760403. The next prime is 123422760463. The reversal of 123422760431 is 134067224321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123422760431 - 2⁶ = 123422760367 is a prime.

It is a super-2 number, since 2×123422760431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123422760391 and 123422760400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123422760491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61711380215 + 61711380216.

It is an arithmetic number, because the mean of its divisors is an integer number (61711380216).

Almost surely, 2^123422760431 is an apocalyptic number.

123422760431 is a deficient number, since it is larger than the sum of its proper divisors (1).

123422760431 is an equidigital number, since it uses as much as digits as its factorization.

123422760431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 123422760431 its reverse (134067224321), we get a palindrome (257489984752).

The spelling of 123422760431 in words is "one hundred twenty-three billion, four hundred twenty-two million, seven hundred sixty thousand, four hundred thirty-one".