1042243423 has 8 divisors (see below), whose sum is σ = 1181490800. Its totient is φ = 911435328.

The previous prime is 1042243403. The next prime is 1042243439. The reversal of 1042243423 is 3243422401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042243423 - 2¹³ = 1042235231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042243403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109558 + ... + 2110051.

It is an arithmetic number, because the mean of its divisors is an integer number (147686350).

Almost surely, 2^1042243423 is an apocalyptic number.

1042243423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1042243423 is a deficient number, since it is larger than the sum of its proper divisors (139247377).

1042243423 is a wasteful number, since it uses less digits than its factorization.

1042243423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219641.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1042243423 is about 32283.7950526266. The cubic root of 1042243423 is about 1013.8873886642.

Adding to 1042243423 its reverse (3243422401), we get a palindrome (4285665824).

The spelling of 1042243423 in words is "one billion, forty-two million, two hundred forty-three thousand, four hundred twenty-three".