23261335661534 has 4 divisors (see below), whose sum is σ = 34892003492304. Its totient is φ = 11630667830766.

The previous prime is 23261335661441. The next prime is 23261335661539. The reversal of 23261335661534 is 43516653316232.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261335661539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815333915382 + ... + 5815333915385.

It is an arithmetic number, because the mean of its divisors is an integer number (8723000873076).

Almost surely, 2^{23261335661534} is an apocalyptic number.

23261335661534 is a deficient number, since it is larger than the sum of its proper divisors (11630667830770).

23261335661534 is a wasteful number, since it uses less digits than its factorization.

23261335661534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11630667830769.

The product of its digits is 6998400, while the sum is 50.

Adding to 23261335661534 its reverse (43516653316232), we get a palindrome (66777988977766).

The spelling of 23261335661534 in words is "twenty-three trillion, two hundred sixty-one billion, three hundred thirty-five million, six hundred sixty-one thousand, five hundred thirty-four".