23354525421 has 32 divisors (see below), whose sum is σ = 36649238400. Its totient is φ = 14647944960.

The previous prime is 23354525377. The next prime is 23354525429. The reversal of 23354525421 is 12452545332.

It is not a de Polignac number, because 23354525421 - 2²⁵ = 23320970989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23354525429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1326486 + ... + 1343976.

It is an arithmetic number, because the mean of its divisors is an integer number (1145288700).

Almost surely, 2^23354525421 is an apocalyptic number.

It is an amenable number.

23354525421 is a deficient number, since it is larger than the sum of its proper divisors (13294712979).

23354525421 is a wasteful number, since it uses less digits than its factorization.

23354525421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20426 (or 20420 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The spelling of 23354525421 in words is "twenty-three billion, three hundred fifty-four million, five hundred twenty-five thousand, four hundred twenty-one".