23521356046 has 4 divisors (see below), whose sum is σ = 35282034072. Its totient is φ = 11760678022.

The previous prime is 23521356041. The next prime is 23521356073. The reversal of 23521356046 is 64065312532.

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

It is a junction number, because it is equal to n+sod(n) for n = 23521355996 and 23521356014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23521356041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5880339010 + ... + 5880339013.

It is an arithmetic number, because the mean of its divisors is an integer number (8820508518).

Almost surely, 2^23521356046 is an apocalyptic number.

23521356046 is a deficient number, since it is larger than the sum of its proper divisors (11760678026).

23521356046 is a wasteful number, since it uses less digits than its factorization.

23521356046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11760678025.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 23521356046 its reverse (64065312532), we get a palindrome (87586668578).

The spelling of 23521356046 in words is "twenty-three billion, five hundred twenty-one million, three hundred fifty-six thousand, forty-six".