122423711 has 4 divisors (see below), whose sum is σ = 122458800. Its totient is φ = 122388624.

The previous prime is 122423699. The next prime is 122423723. The reversal of 122423711 is 117324221.

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

It is an interprime number because it is at equal distance from previous prime (122423699) and next prime (122423723).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122423711 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 (122423771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11651 + ... + 19508.

It is an arithmetic number, because the mean of its divisors is an integer number (30614700).

Almost surely, 2^122423711 is an apocalyptic number.

122423711 is a deficient number, since it is larger than the sum of its proper divisors (35089).

122423711 is an equidigital number, since it uses as much as digits as its factorization.

122423711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35088.

The product of its digits is 672, while the sum is 23.

The square root of 122423711 is about 11064.5248881278. The cubic root of 122423711 is about 496.5410748512.

Adding to 122423711 its reverse (117324221), we get a palindrome (239747932).

The spelling of 122423711 in words is "one hundred twenty-two million, four hundred twenty-three thousand, seven hundred eleven".