1431445023 has 12 divisors (see below), whose sum is σ = 2088115848. Its totient is φ = 944847600.

The previous prime is 1431445021. The next prime is 1431445031. The reversal of 1431445023 is 3205441341.

It is a happy number.

1431445023 is a `hidden beast` number, since 14 + 3 + 144 + 502 + 3 = 666.

It is not a de Polignac number, because 1431445023 - 2¹ = 1431445021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431445021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786465 + ... + 788282.

It is an arithmetic number, because the mean of its divisors is an integer number (174009654).

Almost surely, 2^1431445023 is an apocalyptic number.

1431445023 is a deficient number, since it is larger than the sum of its proper divisors (656670825).

1431445023 is a wasteful number, since it uses less digits than its factorization.

1431445023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574854 (or 1574851 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1431445023 is about 37834.4422847754. The cubic root of 1431445023 is about 1127.0025299211.

Adding to 1431445023 its reverse (3205441341), we get a palindrome (4636886364).

The spelling of 1431445023 in words is "one billion, four hundred thirty-one million, four hundred forty-five thousand, twenty-three".