23442003251 has 4 divisors (see below), whose sum is σ = 23839325400. Its totient is φ = 23044681104.

The previous prime is 23442003209. The next prime is 23442003253. The reversal of 23442003251 is 15230024432.

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 23442003251 - 2³⁰ = 22368261427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23442003251.

It is not an unprimeable number, because it can be changed into a prime (23442003253) 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, 198660986 + ... + 198661103.

It is an arithmetic number, because the mean of its divisors is an integer number (5959831350).

Almost surely, 2^23442003251 is an apocalyptic number.

23442003251 is a deficient number, since it is larger than the sum of its proper divisors (397322149).

23442003251 is an equidigital number, since it uses as much as digits as its factorization.

23442003251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397322148.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 23442003251 its reverse (15230024432), we get a palindrome (38672027683).

The spelling of 23442003251 in words is "twenty-three billion, four hundred forty-two million, three thousand, two hundred fifty-one".