1406143423502 has 4 divisors (see below), whose sum is σ = 2109215135256. Its totient is φ = 703071711750.

The previous prime is 1406143423471. The next prime is 1406143423519. The reversal of 1406143423502 is 2053243416041.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351535855874 + ... + 351535855877.

It is an arithmetic number, because the mean of its divisors is an integer number (527303783814).

Almost surely, 2^{1406143423502} is an apocalyptic number.

1406143423502 is a deficient number, since it is larger than the sum of its proper divisors (703071711754).

1406143423502 is an equidigital number, since it uses as much as digits as its factorization.

1406143423502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703071711753.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 1406143423502 its reverse (2053243416041), we get a palindrome (3459386839543).

The spelling of 1406143423502 in words is "one trillion, four hundred six billion, one hundred forty-three million, four hundred twenty-three thousand, five hundred two".