123422613145 has 16 divisors (see below), whose sum is σ = 159520338432. Its totient is φ = 91131226560.

The previous prime is 123422613143. The next prime is 123422613151. The reversal of 123422613145 is 541316224321.

It is not a de Polignac number, because 123422613145 - 2¹ = 123422613143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123422613145.

It is not an unprimeable number, because it can be changed into a prime (123422613143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410164 + ... + 644266.

It is an arithmetic number, because the mean of its divisors is an integer number (9970021152).

Almost surely, 2^123422613145 is an apocalyptic number.

It is an amenable number.

123422613145 is a deficient number, since it is larger than the sum of its proper divisors (36097725287).

123422613145 is a wasteful number, since it uses less digits than its factorization.

123422613145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242232.

The product of its digits is 34560, while the sum is 34.

Adding to 123422613145 its reverse (541316224321), we get a palindrome (664738837466).

The spelling of 123422613145 in words is "one hundred twenty-three billion, four hundred twenty-two million, six hundred thirteen thousand, one hundred forty-five".