123422612623 has 4 divisors (see below), whose sum is σ = 124554930280. Its totient is φ = 122290294968.

The previous prime is 123422612609. The next prime is 123422612641. The reversal of 123422612623 is 326216224321.

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 123422612623 - 2²⁹ = 122885741711 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 (123422612603) 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, 566158665 + ... + 566158882.

It is an arithmetic number, because the mean of its divisors is an integer number (31138732570).

Almost surely, 2^123422612623 is an apocalyptic number.

123422612623 is a deficient number, since it is larger than the sum of its proper divisors (1132317657).

123422612623 is a wasteful number, since it uses less digits than its factorization.

123422612623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132317656.

The product of its digits is 41472, while the sum is 34.

Adding to 123422612623 its reverse (326216224321), we get a palindrome (449638836944).

The spelling of 123422612623 in words is "one hundred twenty-three billion, four hundred twenty-two million, six hundred twelve thousand, six hundred twenty-three".