122123430031 has 4 divisors (see below), whose sum is σ = 128550979000. Its totient is φ = 115695881064.

The previous prime is 122123429983. The next prime is 122123430061. The reversal of 122123430031 is 130034321221.

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 122123430031 - 2²⁵ = 122089875599 is a prime.

It is a super-2 number, since 2×122123430031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122123429984 and 122123430011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122123430061) 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, 3213774456 + ... + 3213774493.

It is an arithmetic number, because the mean of its divisors is an integer number (32137744750).

Almost surely, 2^122123430031 is an apocalyptic number.

122123430031 is a deficient number, since it is larger than the sum of its proper divisors (6427548969).

122123430031 is an equidigital number, since it uses as much as digits as its factorization.

122123430031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427548968.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122123430031 its reverse (130034321221), we get a palindrome (252157751252).

The spelling of 122123430031 in words is "one hundred twenty-two billion, one hundred twenty-three million, four hundred thirty thousand, thirty-one".