1423134261 has 6 divisors (see below), whose sum is σ = 2055638390. Its totient is φ = 948756168.

The previous prime is 1423134259. The next prime is 1423134283. The reversal of 1423134261 is 1624313241.

It is a happy number.

1423134261 is a `hidden beast` number, since 1 + 4 + 231 + 3 + 426 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 981882225 + 441252036 = 31335^2 + 21006^2 .

It is not a de Polignac number, because 1423134261 - 2¹ = 1423134259 is a prime.

It is a super-2 number, since 2×1423134261² = 4050622249664032242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423134241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79063006 + ... + 79063023.

Almost surely, 2^1423134261 is an apocalyptic number.

It is an amenable number.

1423134261 is a deficient number, since it is larger than the sum of its proper divisors (632504129).

1423134261 is a wasteful number, since it uses less digits than its factorization.

1423134261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158126035 (or 158126032 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1423134261 is about 37724.4517654001. The cubic root of 1423134261 is about 1124.8172242324.

The spelling of 1423134261 in words is "one billion, four hundred twenty-three million, one hundred thirty-four thousand, two hundred sixty-one".