23135211420 has 48 divisors (see below), whose sum is σ = 64913909760. Its totient is φ = 6156502336.

The previous prime is 23135211401. The next prime is 23135211469. The reversal of 23135211420 is 2411253132.

It is a super-3 number, since 3×23135211420³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373752 + ... + 431231.

It is an arithmetic number, because the mean of its divisors is an integer number (1352373120).

Almost surely, 2^23135211420 is an apocalyptic number.

23135211420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23135211420 is an abundant number, since it is smaller than the sum of its proper divisors (41778698340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23135211420 is a wasteful number, since it uses less digits than its factorization.

23135211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805474 (or 805472 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 23135211420 its reverse (2411253132), we get a palindrome (25546464552).

The spelling of 23135211420 in words is "twenty-three billion, one hundred thirty-five million, two hundred eleven thousand, four hundred twenty".