1423574261 has 4 divisors (see below), whose sum is σ = 1433965452. Its totient is φ = 1413183072.

The previous prime is 1423574239. The next prime is 1423574267. The reversal of 1423574261 is 1624753241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1624753241 = 20357 ⋅79813.

It can be written as a sum of positive squares in 2 ways, for example, as 673143025 + 750431236 = 25945^2 + 27394^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423574261 - 2⁶ = 1423574197 is a prime.

It is a super-2 number, since 2×1423574261² = 4053127353163392242, 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 (1423574267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5195390 + ... + 5195663.

It is an arithmetic number, because the mean of its divisors is an integer number (358491363).

Almost surely, 2^1423574261 is an apocalyptic number.

It is an amenable number.

1423574261 is a deficient number, since it is larger than the sum of its proper divisors (10391191).

1423574261 is a wasteful number, since it uses less digits than its factorization.

1423574261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391190.

The product of its digits is 40320, while the sum is 35.

The square root of 1423574261 is about 37730.2830760650. The cubic root of 1423574261 is about 1124.9331347255.

The spelling of 1423574261 in words is "one billion, four hundred twenty-three million, five hundred seventy-four thousand, two hundred sixty-one".