1499744423 has 16 divisors (see below), whose sum is σ = 1608249600. Its totient is φ = 1394282880.

The previous prime is 1499744387. The next prime is 1499744501. The reversal of 1499744423 is 3244479941.

It is a cyclic number.

It is not a de Polignac number, because 1499744423 - 2¹⁴ = 1499728039 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 (1499743423) 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, 1101263 + ... + 1102623.

It is an arithmetic number, because the mean of its divisors is an integer number (100515600).

Almost surely, 2^1499744423 is an apocalyptic number.

1499744423 is a deficient number, since it is larger than the sum of its proper divisors (108505177).

1499744423 is a wasteful number, since it uses less digits than its factorization.

1499744423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422.

The product of its digits is 870912, while the sum is 47.

The square root of 1499744423 is about 38726.5338366345. The cubic root of 1499744423 is about 1144.6492249423.

The spelling of 1499744423 in words is "one billion, four hundred ninety-nine million, seven hundred forty-four thousand, four hundred twenty-three".