23513435111229 has 32 divisors (see below), whose sum is σ = 37937946620160. Its totient is φ = 12645779930112.

The previous prime is 23513435111171. The next prime is 23513435111233. The reversal of 23513435111229 is 92211153431532.

It is a happy number.

It is not a de Polignac number, because 23513435111229 - 2¹² = 23513435107133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23513435112229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72728467 + ... + 73051055.

It is an arithmetic number, because the mean of its divisors is an integer number (1185560831880).

Almost surely, 2^{23513435111229} is an apocalyptic number.

It is an amenable number.

23513435111229 is a deficient number, since it is larger than the sum of its proper divisors (14424511508931).

23513435111229 is a wasteful number, since it uses less digits than its factorization.

23513435111229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526789.

The product of its digits is 194400, while the sum is 42.

The spelling of 23513435111229 in words is "twenty-three trillion, five hundred thirteen billion, four hundred thirty-five million, one hundred eleven thousand, two hundred twenty-nine".