1423034145 has 24 divisors (see below), whose sum is σ = 2656331496. Its totient is φ = 700570368.

The previous prime is 1423034143. The next prime is 1423034177. The reversal of 1423034145 is 5414303241.

It is a happy number.

1423034145 is a `hidden beast` number, since 14 + 230 + 3 + 414 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 43877376 + 1379156769 = 6624^2 + 37137^2 .

It is not a de Polignac number, because 1423034145 - 2¹ = 1423034143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423034143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1215684 + ... + 1216853.

It is an arithmetic number, because the mean of its divisors is an integer number (110680479).

Almost surely, 2^1423034145 is an apocalyptic number.

1423034145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423034145 is a deficient number, since it is larger than the sum of its proper divisors (1233297351).

1423034145 is a wasteful number, since it uses less digits than its factorization.

1423034145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432561 (or 2432558 counting only the distinct ones).

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

The square root of 1423034145 is about 37723.1248042895. The cubic root of 1423034145 is about 1124.7908470439.

Adding to 1423034145 its reverse (5414303241), we get a palindrome (6837337386).

The spelling of 1423034145 in words is "one billion, four hundred twenty-three million, thirty-four thousand, one hundred forty-five".