1406143423398 has 32 divisors (see below), whose sum is σ = 3214392839424. Its totient is φ = 401711422752.

The previous prime is 1406143423397. The next prime is 1406143423423. The reversal of 1406143423398 is 8933243416041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406143423393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1436265 + ... + 2207972.

It is an arithmetic number, because the mean of its divisors is an integer number (100449776232).

Almost surely, 2^{1406143423398} is an apocalyptic number.

1406143423398 is an abundant number, since it is smaller than the sum of its proper divisors (1808249416026).

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

1406143423398 is a wasteful number, since it uses less digits than its factorization.

1406143423398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653436.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 1406143423398 in words is "one trillion, four hundred six billion, one hundred forty-three million, four hundred twenty-three thousand, three hundred ninety-eight".