2023751261 has 4 divisors (see below), whose sum is σ = 2312858592. Its totient is φ = 1734643932.

The previous prime is 2023751221. The next prime is 2023751339. The reversal of 2023751261 is 1621573202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2023751261 - 2¹⁴ = 2023734877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023751221) 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, 144553655 + ... + 144553668.

It is an arithmetic number, because the mean of its divisors is an integer number (578214648).

Almost surely, 2^2023751261 is an apocalyptic number.

It is an amenable number.

2023751261 is a deficient number, since it is larger than the sum of its proper divisors (289107331).

2023751261 is an equidigital number, since it uses as much as digits as its factorization.

2023751261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289107330.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2023751261 is about 44986.1229825376. The cubic root of 2023751261 is about 1264.8888883645. Note that the first 6 decimals are identical.

The spelling of 2023751261 in words is "two billion, twenty-three million, seven hundred fifty-one thousand, two hundred sixty-one".