1431923713 has 4 divisors (see below), whose sum is σ = 1562098608. Its totient is φ = 1301748820.

The previous prime is 1431923663. The next prime is 1431923741. The reversal of 1431923713 is 3173291341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1431923713 - 2¹³ = 1431915521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431923783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65087431 + ... + 65087452.

It is an arithmetic number, because the mean of its divisors is an integer number (390524652).

Almost surely, 2^1431923713 is an apocalyptic number.

It is an amenable number.

1431923713 is a deficient number, since it is larger than the sum of its proper divisors (130174895).

1431923713 is a wasteful number, since it uses less digits than its factorization.

1431923713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130174894.

The product of its digits is 13608, while the sum is 34.

The square root of 1431923713 is about 37840.7678701160. The cubic root of 1431923713 is about 1127.1281430153.

The spelling of 1431923713 in words is "one billion, four hundred thirty-one million, nine hundred twenty-three thousand, seven hundred thirteen".