1405734223 has 4 divisors (see below), whose sum is σ = 1405835128. Its totient is φ = 1405633320.

The previous prime is 1405734193. The next prime is 1405734251. The reversal of 1405734223 is 3224375041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1405734223 - 2⁵ = 1405734191 is a prime.

It is a super-3 number, since 3×1405734223³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405734283) 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, 25413 + ... + 58798.

It is an arithmetic number, because the mean of its divisors is an integer number (351458782).

Almost surely, 2^1405734223 is an apocalyptic number.

1405734223 is a deficient number, since it is larger than the sum of its proper divisors (100905).

1405734223 is an equidigital number, since it uses as much as digits as its factorization.

1405734223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100904.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 1405734223 is about 37493.1223426377. The cubic root of 1405734223 is about 1120.2141977124.

The spelling of 1405734223 in words is "one billion, four hundred five million, seven hundred thirty-four thousand, two hundred twenty-three".