1042025423 has 4 divisors (see below), whose sum is σ = 1042812000. Its totient is φ = 1041238848.

The previous prime is 1042025401. The next prime is 1042025429. The reversal of 1042025423 is 3245202401.

It is a happy number.

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 1042025423 - 2¹² = 1042021327 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 (1042025429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391298 + ... + 393951.

It is an arithmetic number, because the mean of its divisors is an integer number (260703000).

Almost surely, 2^1042025423 is an apocalyptic number.

1042025423 is a deficient number, since it is larger than the sum of its proper divisors (786577).

1042025423 is an equidigital number, since it uses as much as digits as its factorization.

1042025423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786576.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1042025423 is about 32280.4185691574. The cubic root of 1042025423 is about 1013.8166940907.

Adding to 1042025423 its reverse (3245202401), we get a palindrome (4287227824).

The spelling of 1042025423 in words is "one billion, forty-two million, twenty-five thousand, four hundred twenty-three".