122023312545 has 32 divisors (see below), whose sum is σ = 203753677824. Its totient is φ = 62241080000.

The previous prime is 122023312531. The next prime is 122023312549. The reversal of 122023312545 is 545213320221.

It is not a de Polignac number, because 122023312545 - 2⁵ = 122023312513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122023312549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3089170 + ... + 3128420.

It is an arithmetic number, because the mean of its divisors is an integer number (6367302432).

Almost surely, 2^122023312545 is an apocalyptic number.

122023312545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122023312545 is a deficient number, since it is larger than the sum of its proper divisors (81730365279).

122023312545 is a wasteful number, since it uses less digits than its factorization.

122023312545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48293.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 122023312545 its reverse (545213320221), we get a palindrome (667236632766).

The spelling of 122023312545 in words is "one hundred twenty-two billion, twenty-three million, three hundred twelve thousand, five hundred forty-five".