23254543421 has 8 divisors (see below), whose sum is σ = 23408496384. Its totient is φ = 23100765840.

The previous prime is 23254543409. The next prime is 23254543439. The reversal of 23254543421 is 12434545232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23254543421 - 2²² = 23250349117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23254543471) 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, 227756 + ... + 313658.

It is an arithmetic number, because the mean of its divisors is an integer number (2926062048).

Almost surely, 2^23254543421 is an apocalyptic number.

It is an amenable number.

23254543421 is a deficient number, since it is larger than the sum of its proper divisors (153952963).

23254543421 is a wasteful number, since it uses less digits than its factorization.

23254543421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87691.

The product of its digits is 115200, while the sum is 35.

The spelling of 23254543421 in words is "twenty-three billion, two hundred fifty-four million, five hundred forty-three thousand, four hundred twenty-one".