2261247023 has 16 divisors (see below), whose sum is σ = 2595600960. Its totient is φ = 1929747456.

The previous prime is 2261247017. The next prime is 2261247071. The reversal of 2261247023 is 3207421622.

It is not a de Polignac number, because 2261247023 - 2¹² = 2261242927 is a prime.

It is a super-2 number, since 2×2261247023² = 10226476198052725058, 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 (2261247083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3188993 + ... + 3189701.

It is an arithmetic number, because the mean of its divisors is an integer number (162225060).

Almost surely, 2^2261247023 is an apocalyptic number.

2261247023 is a deficient number, since it is larger than the sum of its proper divisors (334353937).

2261247023 is an equidigital number, since it uses as much as digits as its factorization.

2261247023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2261247023 is about 47552.5711502543. The cubic root of 2261247023 is about 1312.5504424211.

Adding to 2261247023 its reverse (3207421622), we get a palindrome (5468668645).

The spelling of 2261247023 in words is "two billion, two hundred sixty-one million, two hundred forty-seven thousand, twenty-three".