1406106823 has 16 divisors (see below), whose sum is σ = 1560335616. Its totient is φ = 1256365440.

The previous prime is 1406106811. The next prime is 1406106827. The reversal of 1406106823 is 3286016041.

It is a happy number.

It is not a de Polignac number, because 1406106823 - 2¹⁷ = 1405975751 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 (1406106827) 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, 368815 + ... + 372607.

It is an arithmetic number, because the mean of its divisors is an integer number (97520976).

Almost surely, 2^1406106823 is an apocalyptic number.

1406106823 is a deficient number, since it is larger than the sum of its proper divisors (154228793).

1406106823 is a wasteful number, since it uses less digits than its factorization.

1406106823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1406106823 is about 37498.0909247391. The cubic root of 1406106823 is about 1120.3131625881.

The spelling of 1406106823 in words is "one billion, four hundred six million, one hundred six thousand, eight hundred twenty-three".