102403432 has 8 divisors (see below), whose sum is σ = 192006450. Its totient is φ = 51201712.

The previous prime is 102403423. The next prime is 102403453. The reversal of 102403432 is 234304201.

It can be written as a sum of positive squares in only one way, i.e., 59814756 + 42588676 = 7734^2 + 6526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6400207 + ... + 6400222.

Almost surely, 2^102403432 is an apocalyptic number.

It is an amenable number.

102403432 is a deficient number, since it is larger than the sum of its proper divisors (89603018).

102403432 is a wasteful number, since it uses less digits than its factorization.

102403432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800435 (or 12800431 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 102403432 is about 10119.4580882575. The cubic root of 102403432 is about 467.8480647374.

Adding to 102403432 its reverse (234304201), we get a palindrome (336707633).

The spelling of 102403432 in words is "one hundred two million, four hundred three thousand, four hundred thirty-two".