23135653131 has 8 divisors (see below), whose sum is σ = 30886245264. Its totient is φ = 15404414880.

The previous prime is 23135653129. The next prime is 23135653139. The reversal of 23135653131 is 13135653132.

It is a happy number.

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

It is not a de Polignac number, because 23135653131 - 2¹ = 23135653129 is a prime.

It is a super-2 number, since 2×23135653131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23135653092 and 23135653101.

It is not an unprimeable number, because it can be changed into a prime (23135653139) 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, 4835680 + ... + 4840461.

It is an arithmetic number, because the mean of its divisors is an integer number (3860780658).

Almost surely, 2^23135653131 is an apocalyptic number.

23135653131 is a deficient number, since it is larger than the sum of its proper divisors (7750592133).

23135653131 is an equidigital number, since it uses as much as digits as its factorization.

23135653131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9676941.

The product of its digits is 24300, while the sum is 33.

Subtracting from 23135653131 its reverse (13135653132), we obtain a palindrome (9999999999).

The spelling of 23135653131 in words is "twenty-three billion, one hundred thirty-five million, six hundred fifty-three thousand, one hundred thirty-one".