2261136423 has 32 divisors (see below), whose sum is σ = 3713181696. Its totient is φ = 1191852288.

The previous prime is 2261136407. The next prime is 2261136457. The reversal of 2261136423 is 3246311622.

It is not a de Polignac number, because 2261136423 - 2⁴ = 2261136407 is a prime.

It is a super-2 number, since 2×2261136423² = 10225475846834469858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261136523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692611 + ... + 695867.

It is an arithmetic number, because the mean of its divisors is an integer number (116036928).

Almost surely, 2^2261136423 is an apocalyptic number.

2261136423 is a deficient number, since it is larger than the sum of its proper divisors (1452045273).

2261136423 is a wasteful number, since it uses less digits than its factorization.

2261136423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823.

The product of its digits is 10368, while the sum is 30.

The square root of 2261136423 is about 47551.4082125861. The cubic root of 2261136423 is about 1312.5290426589.

The spelling of 2261136423 in words is "two billion, two hundred sixty-one million, one hundred thirty-six thousand, four hundred twenty-three".