23153353104340 has 24 divisors (see below), whose sum is σ = 48632336454240. Its totient is φ = 9259380301728.

The previous prime is 23153353104337. The next prime is 23153353104341. The reversal of 23153353104340 is 4340135335132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23153353104340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23153353104341) 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, 122461930 + ... + 122650849.

It is an arithmetic number, because the mean of its divisors is an integer number (2026347352260).

Almost surely, 2^{23153353104340} is an apocalyptic number.

23153353104340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23153353104340 is an abundant number, since it is smaller than the sum of its proper divisors (25478983349900).

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

23153353104340 is a wasteful number, since it uses less digits than its factorization.

23153353104340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245117511 (or 245117509 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 23153353104340 its reverse (4340135335132), we get a palindrome (27493488439472).

The spelling of 23153353104340 in words is "twenty-three trillion, one hundred fifty-three billion, three hundred fifty-three million, one hundred four thousand, three hundred forty".