23355451513446 has 16 divisors (see below), whose sum is σ = 50304049413744. Its totient is φ = 7186292773344.

The previous prime is 23355451513417. The next prime is 23355451513447. The reversal of 23355451513446 is 64431515455332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23355451513447) 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, 149714432701 + ... + 149714432856.

It is an arithmetic number, because the mean of its divisors is an integer number (3144003088359).

Almost surely, 2^{23355451513446} is an apocalyptic number.

23355451513446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23355451513446 is an abundant number, since it is smaller than the sum of its proper divisors (26948597900298).

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

23355451513446 is a wasteful number, since it uses less digits than its factorization.

23355451513446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299428865575.

The product of its digits is 12960000, while the sum is 51.

Adding to 23355451513446 its reverse (64431515455332), we get a palindrome (87786966968778).

The spelling of 23355451513446 in words is "twenty-three trillion, three hundred fifty-five billion, four hundred fifty-one million, five hundred thirteen thousand, four hundred forty-six".