2423021251 has 4 divisors (see below), whose sum is σ = 2769167152. Its totient is φ = 2076875352.

The previous prime is 2423021123. The next prime is 2423021267. The reversal of 2423021251 is 1521203242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2423021251 - 2⁷ = 2423021123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2423024251) 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, 173072940 + ... + 173072953.

It is an arithmetic number, because the mean of its divisors is an integer number (692291788).

Almost surely, 2^2423021251 is an apocalyptic number.

2423021251 is a deficient number, since it is larger than the sum of its proper divisors (346145901).

2423021251 is an equidigital number, since it uses as much as digits as its factorization.

2423021251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346145900.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2423021251 is about 49224.1937567290. The cubic root of 2423021251 is about 1343.1331693966.

Adding to 2423021251 its reverse (1521203242), we get a palindrome (3944224493).

The spelling of 2423021251 in words is "two billion, four hundred twenty-three million, twenty-one thousand, two hundred fifty-one".