1042113423 has 8 divisors (see below), whose sum is σ = 1496368048. Its totient is φ = 641300544.

The previous prime is 1042113419. The next prime is 1042113433. The reversal of 1042113423 is 3243112401.

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

It is not a de Polignac number, because 1042113423 - 2² = 1042113419 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 1042113423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042113403) 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, 13360390 + ... + 13360467.

It is an arithmetic number, because the mean of its divisors is an integer number (187046006).

Almost surely, 2^1042113423 is an apocalyptic number.

1042113423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1042113423 is a deficient number, since it is larger than the sum of its proper divisors (454254625).

1042113423 is a wasteful number, since it uses less digits than its factorization.

1042113423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26720873.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1042113423 is about 32281.7815958165. The cubic root of 1042113423 is about 1013.8452325363.

Adding to 1042113423 its reverse (3243112401), we get a palindrome (4285225824).

The spelling of 1042113423 in words is "one billion, forty-two million, one hundred thirteen thousand, four hundred twenty-three".