1452423399 has 16 divisors (see below), whose sum is σ = 2226799872. Its totient is φ = 824862528.

The previous prime is 1452423397. The next prime is 1452423409. The reversal of 1452423399 is 9933242541.

It is not a de Polignac number, because 1452423399 - 2¹ = 1452423397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1452423399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452423397) 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, 208734 + ... + 215579.

It is an arithmetic number, because the mean of its divisors is an integer number (139174992).

Almost surely, 2^1452423399 is an apocalyptic number.

1452423399 is a deficient number, since it is larger than the sum of its proper divisors (774376473).

1452423399 is a wasteful number, since it uses less digits than its factorization.

1452423399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424486.

The product of its digits is 233280, while the sum is 42.

The square root of 1452423399 is about 38110.6730326296. The cubic root of 1452423399 is about 1132.4814029469.

The spelling of 1452423399 in words is "one billion, four hundred fifty-two million, four hundred twenty-three thousand, three hundred ninety-nine".