425001023 has 4 divisors (see below), whose sum is σ = 428762208. Its totient is φ = 421239840.

The previous prime is 425001019. The next prime is 425001029. The reversal of 425001023 is 320100524.

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 425001023 - 2² = 425001019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425000992 and 425001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425001029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880423 + ... + 1880648.

It is an arithmetic number, because the mean of its divisors is an integer number (107190552).

Almost surely, 2^425001023 is an apocalyptic number.

425001023 is a deficient number, since it is larger than the sum of its proper divisors (3761185).

425001023 is a wasteful number, since it uses less digits than its factorization.

425001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761184.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 425001023 is about 20615.5529394678. The cubic root of 425001023 is about 751.8479013489.

Adding to 425001023 its reverse (320100524), we get a palindrome (745101547).

The spelling of 425001023 in words is "four hundred twenty-five million, one thousand, twenty-three".