402025623 has 16 divisors (see below), whose sum is σ = 550558176. Its totient is φ = 260789760.

The previous prime is 402025621. The next prime is 402025627. The reversal of 402025623 is 326520204.

It is not a de Polignac number, because 402025623 - 2¹ = 402025621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402025593 and 402025602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402025621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44715 + ... + 52947.

It is an arithmetic number, because the mean of its divisors is an integer number (34409886).

Almost surely, 2^402025623 is an apocalyptic number.

402025623 is a deficient number, since it is larger than the sum of its proper divisors (148532553).

402025623 is a wasteful number, since it uses less digits than its factorization.

402025623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8674.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 402025623 is about 20050.5766251248. The cubic root of 402025623 is about 738.0479493085.

Adding to 402025623 its reverse (326520204), we get a palindrome (728545827).

The spelling of 402025623 in words is "four hundred two million, twenty-five thousand, six hundred twenty-three".