42103423122 has 32 divisors (see below), whose sum is σ = 92492651520. Its totient is φ = 12717738000.

The previous prime is 42103423091. The next prime is 42103423127. The reversal of 42103423122 is 22132430124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42103423092 and 42103423101.

It is not an unprimeable number, because it can be changed into a prime (42103423127) 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, 8026254 + ... + 8031497.

It is an arithmetic number, because the mean of its divisors is an integer number (2890395360).

Almost surely, 2^42103423122 is an apocalyptic number.

42103423122 is an abundant number, since it is smaller than the sum of its proper divisors (50389228398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42103423122 is a wasteful number, since it uses less digits than its factorization.

42103423122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16057798.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42103423122 its reverse (22132430124), we get a palindrome (64235853246).

The spelling of 42103423122 in words is "forty-two billion, one hundred three million, four hundred twenty-three thousand, one hundred twenty-two".