102401023432 has 8 divisors (see below), whose sum is σ = 192001918950. Its totient is φ = 51200511712.

The previous prime is 102401023381. The next prime is 102401023471. The reversal of 102401023432 is 234320104201.

It can be written as a sum of positive squares in only one way, i.e., 101196516996 + 1204506436 = 318114^2 + 34706^2 .

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, 6400063957 + ... + 6400063972.

Almost surely, 2^102401023432 is an apocalyptic number.

It is an amenable number.

102401023432 is a deficient number, since it is larger than the sum of its proper divisors (89600895518).

102401023432 is a wasteful number, since it uses less digits than its factorization.

102401023432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800127935 (or 12800127931 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 102401023432 its reverse (234320104201), we get a palindrome (336721127633).

The spelling of 102401023432 in words is "one hundred two billion, four hundred one million, twenty-three thousand, four hundred thirty-two".