1401612343 has 4 divisors (see below), whose sum is σ = 1402689328. Its totient is φ = 1400535360.

The previous prime is 1401612323. The next prime is 1401612371. The reversal of 1401612343 is 3432161041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401612343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401612323) 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, 536538 + ... + 539143.

It is an arithmetic number, because the mean of its divisors is an integer number (350672332).

Almost surely, 2^1401612343 is an apocalyptic number.

1401612343 is a deficient number, since it is larger than the sum of its proper divisors (1076985).

1401612343 is a wasteful number, since it uses less digits than its factorization.

1401612343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076984.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1401612343 is about 37438.1135074939. The cubic root of 1401612343 is about 1119.1182321526.

Adding to 1401612343 its reverse (3432161041), we get a palindrome (4833773384).

The spelling of 1401612343 in words is "one billion, four hundred one million, six hundred twelve thousand, three hundred forty-three".