23151452365 has 4 divisors (see below), whose sum is σ = 27781742844. Its totient is φ = 18521161888.

The previous prime is 23151452339. The next prime is 23151452381. The reversal of 23151452365 is 56325415132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2938290436 + 20213161929 = 54206^2 + 142173^2 .

It is a cyclic number.

It is not a de Polignac number, because 23151452365 - 2¹⁹ = 23150928077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2315145232 + ... + 2315145241.

It is an arithmetic number, because the mean of its divisors is an integer number (6945435711).

Almost surely, 2^23151452365 is an apocalyptic number.

It is an amenable number.

23151452365 is a deficient number, since it is larger than the sum of its proper divisors (4630290479).

23151452365 is an equidigital number, since it uses as much as digits as its factorization.

23151452365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630290478.

The product of its digits is 108000, while the sum is 37.

Adding to 23151452365 its reverse (56325415132), we get a palindrome (79476867497).

The spelling of 23151452365 in words is "twenty-three billion, one hundred fifty-one million, four hundred fifty-two thousand, three hundred sixty-five".