23135155013 has 4 divisors (see below), whose sum is σ = 23881450368. Its totient is φ = 22388859660.

The previous prime is 23135155009. The next prime is 23135155037. The reversal of 23135155013 is 31055153132.

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 a cyclic number.

It is not a de Polignac number, because 23135155013 - 2² = 23135155009 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 (23135155073) 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, 373147631 + ... + 373147692.

It is an arithmetic number, because the mean of its divisors is an integer number (5970362592).

Almost surely, 2^23135155013 is an apocalyptic number.

It is an amenable number.

23135155013 is a deficient number, since it is larger than the sum of its proper divisors (746295355).

23135155013 is an equidigital number, since it uses as much as digits as its factorization.

23135155013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746295354.

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 23135155013 in words is "twenty-three billion, one hundred thirty-five million, one hundred fifty-five thousand, thirteen".