402023132 has 12 divisors (see below), whose sum is σ = 804046320. Its totient is φ = 172295616.

The previous prime is 402023117. The next prime is 402023137. The reversal of 402023132 is 231320204.

402023132 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 402023132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402023137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7178957 + ... + 7179012.

It is an arithmetic number, because the mean of its divisors is an integer number (67003860).

Almost surely, 2^402023132 is an apocalyptic number.

It is an amenable number.

402023132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402023132 is a wasteful number, since it uses less digits than its factorization.

402023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14357980 (or 14357978 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 402023132 is about 20050.5145071143. The cubic root of 402023132 is about 738.0464249602.

Adding to 402023132 its reverse (231320204), we get a palindrome (633343336).

It can be divided in two parts, 40202 and 3132, that added together give a palindrome (43334).

The spelling of 402023132 in words is "four hundred two million, twenty-three thousand, one hundred thirty-two".