23051343261523 has 8 divisors (see below), whose sum is σ = 23282181198848. Its totient is φ = 22820640679944.

The previous prime is 23051343261421. The next prime is 23051343261553. The reversal of 23051343261523 is 32516234315032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23051343261523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23051343261553) 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, 33496611 + ... + 34177852.

It is an arithmetic number, because the mean of its divisors is an integer number (2910272649856).

Almost surely, 2^{23051343261523} is an apocalyptic number.

23051343261523 is a deficient number, since it is larger than the sum of its proper divisors (230837937325).

23051343261523 is a wasteful number, since it uses less digits than its factorization.

23051343261523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67677873.

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 23051343261523 its reverse (32516234315032), we get a palindrome (55567577576555).

The spelling of 23051343261523 in words is "twenty-three trillion, fifty-one billion, three hundred forty-three million, two hundred sixty-one thousand, five hundred twenty-three".