23431026135 has 48 divisors (see below), whose sum is σ = 43445146752. Its totient is φ = 10692211200.

The previous prime is 23431026133. The next prime is 23431026167. The reversal of 23431026135 is 53162013432.

It is not a de Polignac number, because 23431026135 - 2¹ = 23431026133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431026131) 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 47 ways as a sum of consecutive naturals, for example, 198001 + ... + 293370.

It is an arithmetic number, because the mean of its divisors is an integer number (905107224).

Almost surely, 2^23431026135 is an apocalyptic number.

23431026135 is a deficient number, since it is larger than the sum of its proper divisors (20014120617).

23431026135 is a wasteful number, since it uses less digits than its factorization.

23431026135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491424 (or 491407 counting only the distinct ones).

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

Adding to 23431026135 its reverse (53162013432), we get a palindrome (76593039567).

The spelling of 23431026135 in words is "twenty-three billion, four hundred thirty-one million, twenty-six thousand, one hundred thirty-five".