425402023 has 4 divisors (see below), whose sum is σ = 425454120. Its totient is φ = 425349928.

The previous prime is 425402011. The next prime is 425402059. The reversal of 425402023 is 320204524.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 425402023 - 2⁹ = 425401511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425401985 and 425402003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425402093) 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, 10840 + ... + 31117.

It is an arithmetic number, because the mean of its divisors is an integer number (106363530).

Almost surely, 2^425402023 is an apocalyptic number.

425402023 is a deficient number, since it is larger than the sum of its proper divisors (52097).

425402023 is a wasteful number, since it uses less digits than its factorization.

425402023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52096.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 425402023 is about 20625.2763133006. The cubic root of 425402023 is about 752.0842899850.

Adding to 425402023 its reverse (320204524), we get a palindrome (745606547).

The spelling of 425402023 in words is "four hundred twenty-five million, four hundred two thousand, twenty-three".