342100423 has 4 divisors (see below), whose sum is σ = 390971920. Its totient is φ = 293228928.

The previous prime is 342100399. The next prime is 342100457. The reversal of 342100423 is 324001243.

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 342100423 - 2¹⁷ = 341969351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342100423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342100523) 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, 24435738 + ... + 24435751.

It is an arithmetic number, because the mean of its divisors is an integer number (97742980).

Almost surely, 2^342100423 is an apocalyptic number.

342100423 is a deficient number, since it is larger than the sum of its proper divisors (48871497).

342100423 is an equidigital number, since it uses as much as digits as its factorization.

342100423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48871496.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 342100423 is about 18495.9569365848. The cubic root of 342100423 is about 699.3875070884.

Adding to 342100423 its reverse (324001243), we get a palindrome (666101666).

The spelling of 342100423 in words is "three hundred forty-two million, one hundred thousand, four hundred twenty-three".