1405827023 has 4 divisors (see below), whose sum is σ = 1406409648. Its totient is φ = 1405244400.

The previous prime is 1405826977. The next prime is 1405827037. The reversal of 1405827023 is 3207285041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3207285041 = 21193 ⋅151337.

It is a cyclic number.

It is not a de Polignac number, because 1405827023 - 2²⁰ = 1404778447 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 (1405824023) 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, 287678 + ... + 292523.

It is an arithmetic number, because the mean of its divisors is an integer number (351602412).

Almost surely, 2^1405827023 is an apocalyptic number.

1405827023 is a deficient number, since it is larger than the sum of its proper divisors (582625).

1405827023 is an equidigital number, since it uses as much as digits as its factorization.

1405827023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582624.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1405827023 is about 37494.3598825210. The cubic root of 1405827023 is about 1120.2388476043.

The spelling of 1405827023 in words is "one billion, four hundred five million, eight hundred twenty-seven thousand, twenty-three".