23123334133340 has 24 divisors (see below), whose sum is σ = 55496001920352. Its totient is φ = 7928000274240.

The previous prime is 23123334133337. The next prime is 23123334133343. The reversal of 23123334133340 is 4333143332132.

It is an interprime number because it is at equal distance from previous prime (23123334133337) and next prime (23123334133343).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 23123334133340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123334133343) 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, 82583336051 + ... + 82583336330.

It is an arithmetic number, because the mean of its divisors is an integer number (2312333413348).

Almost surely, 2^{23123334133340} is an apocalyptic number.

23123334133340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23123334133340 is an abundant number, since it is smaller than the sum of its proper divisors (32372667787012).

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

23123334133340 is a wasteful number, since it uses less digits than its factorization.

23123334133340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165166672397 (or 165166672395 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 35.

Adding to 23123334133340 its reverse (4333143332132), we get a palindrome (27456477465472).

The spelling of 23123334133340 in words is "twenty-three trillion, one hundred twenty-three billion, three hundred thirty-four million, one hundred thirty-three thousand, three hundred forty".