100042145423 has 16 divisors (see below), whose sum is σ = 109672932096. Its totient is φ = 90501186240.

The previous prime is 100042145389. The next prime is 100042145429. The reversal of 100042145423 is 324541240001.

It is a cyclic number.

It is not a de Polignac number, because 100042145423 - 2¹² = 100042141327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100042145392 and 100042145401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100042145429) 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, 4466390 + ... + 4488732.

It is an arithmetic number, because the mean of its divisors is an integer number (6854558256).

Almost surely, 2^100042145423 is an apocalyptic number.

100042145423 is a deficient number, since it is larger than the sum of its proper divisors (9630786673).

100042145423 is a wasteful number, since it uses less digits than its factorization.

100042145423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24334.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 100042145423 its reverse (324541240001), we get a palindrome (424583385424).

The spelling of 100042145423 in words is "one hundred billion, forty-two million, one hundred forty-five thousand, four hundred twenty-three".