122023505426 has 4 divisors (see below), whose sum is σ = 183035258142. Its totient is φ = 61011752712.

The previous prime is 122023505393. The next prime is 122023505431. The reversal of 122023505426 is 624505320221.

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

It can be written as a sum of positive squares in only one way, i.e., 121418099401 + 605406025 = 348451^2 + 24605^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122023505392 and 122023505401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505876355 + ... + 30505876358.

Almost surely, 2^122023505426 is an apocalyptic number.

122023505426 is a deficient number, since it is larger than the sum of its proper divisors (61011752716).

122023505426 is an equidigital number, since it uses as much as digits as its factorization.

122023505426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61011752715.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 122023505426 its reverse (624505320221), we get a palindrome (746528825647).

The spelling of 122023505426 in words is "one hundred twenty-two billion, twenty-three million, five hundred five thousand, four hundred twenty-six".