23204021543454 has 32 divisors (see below), whose sum is σ = 46522563079680. Its totient is φ = 7715588040000.

The previous prime is 23204021543413. The next prime is 23204021543491. The reversal of 23204021543454 is 45434512040232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152933529 + ... + 153085179.

It is an arithmetic number, because the mean of its divisors is an integer number (1453830096240).

Almost surely, 2^{23204021543454} is an apocalyptic number.

23204021543454 is an abundant number, since it is smaller than the sum of its proper divisors (23318541536226).

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

23204021543454 is a wasteful number, since it uses less digits than its factorization.

23204021543454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214416.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 23204021543454 its reverse (45434512040232), we get a palindrome (68638533583686).

The spelling of 23204021543454 in words is "twenty-three trillion, two hundred four billion, twenty-one million, five hundred forty-three thousand, four hundred fifty-four".