1406052923 has 4 divisors (see below), whose sum is σ = 1533875928. Its totient is φ = 1278229920.

The previous prime is 1406052919. The next prime is 1406052931. The reversal of 1406052923 is 3292506041.

It is a happy number.

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

It is not a de Polignac number, because 1406052923 - 2² = 1406052919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1406052923.

It is not an unprimeable number, because it can be changed into a prime (1406052913) 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, 63911486 + ... + 63911507.

It is an arithmetic number, because the mean of its divisors is an integer number (383468982).

Almost surely, 2^1406052923 is an apocalyptic number.

1406052923 is a deficient number, since it is larger than the sum of its proper divisors (127823005).

1406052923 is a wasteful number, since it uses less digits than its factorization.

1406052923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127823004.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1406052923 is about 37497.3722145966. The cubic root of 1406052923 is about 1120.2988474948.

Adding to 1406052923 its reverse (3292506041), we get a palindrome (4698558964).

The spelling of 1406052923 in words is "one billion, four hundred six million, fifty-two thousand, nine hundred twenty-three".