23135021015 has 8 divisors (see below), whose sum is σ = 29223184560. Its totient is φ = 17533910592.

The previous prime is 23135021011. The next prime is 23135021023. The reversal of 23135021015 is 51012053132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23135021015 - 2² = 23135021011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135021011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121763174 + ... + 121763363.

It is an arithmetic number, because the mean of its divisors is an integer number (3652898070).

Almost surely, 2^23135021015 is an apocalyptic number.

23135021015 is a deficient number, since it is larger than the sum of its proper divisors (6088163545).

23135021015 is a wasteful number, since it uses less digits than its factorization.

23135021015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243526561.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 23135021015 its reverse (51012053132), we get a palindrome (74147074147).

The spelling of 23135021015 in words is "twenty-three billion, one hundred thirty-five million, twenty-one thousand, fifteen".