23145133413 has 4 divisors (see below), whose sum is σ = 30860177888. Its totient is φ = 15430088940.

The previous prime is 23145133411. The next prime is 23145133433. The reversal of 23145133413 is 31433154132.

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 23145133413 - 2¹ = 23145133411 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 (23145133411) by changing a digit.

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, 3857522233 + ... + 3857522238.

It is an arithmetic number, because the mean of its divisors is an integer number (7715044472).

Almost surely, 2^23145133413 is an apocalyptic number.

It is an amenable number.

23145133413 is a deficient number, since it is larger than the sum of its proper divisors (7715044475).

23145133413 is an equidigital number, since it uses as much as digits as its factorization.

23145133413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715044474.

The product of its digits is 12960, while the sum is 30.

Adding to 23145133413 its reverse (31433154132), we get a palindrome (54578287545).

The spelling of 23145133413 in words is "twenty-three billion, one hundred forty-five million, one hundred thirty-three thousand, four hundred thirteen".