23133440343351 has 16 divisors (see below), whose sum is σ = 33217619075424. Its totient is φ = 14235804115584.

The previous prime is 23133440343313. The next prime is 23133440343353. The reversal of 23133440343351 is 15334304433132.

It is a happy number.

It is not a de Polignac number, because 23133440343351 - 2⁶ = 23133440343287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133440343353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265645 + ... + 6807161.

It is an arithmetic number, because the mean of its divisors is an integer number (2076101192214).

Almost surely, 2^{23133440343351} is an apocalyptic number.

23133440343351 is a deficient number, since it is larger than the sum of its proper divisors (10084178732073).

23133440343351 is a wasteful number, since it uses less digits than its factorization.

23133440343351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632210.

The product of its (nonzero) digits is 466560, while the sum is 39.

Adding to 23133440343351 its reverse (15334304433132), we get a palindrome (38467744776483).

The spelling of 23133440343351 in words is "twenty-three trillion, one hundred thirty-three billion, four hundred forty million, three hundred forty-three thousand, three hundred fifty-one".