123422657711 has 4 divisors (see below), whose sum is σ = 123459915072. Its totient is φ = 123385400352.

The previous prime is 123422657689. The next prime is 123422657713. The reversal of 123422657711 is 117756224321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123422657711 - 2³⁴ = 106242788527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123422657713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18623711 + ... + 18630336.

It is an arithmetic number, because the mean of its divisors is an integer number (30864978768).

Almost surely, 2^123422657711 is an apocalyptic number.

123422657711 is a deficient number, since it is larger than the sum of its proper divisors (37257361).

123422657711 is an equidigital number, since it uses as much as digits as its factorization.

123422657711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37257360.

The product of its digits is 141120, while the sum is 41.

The spelling of 123422657711 in words is "one hundred twenty-three billion, four hundred twenty-two million, six hundred fifty-seven thousand, seven hundred eleven".