23354543531 has 8 divisors (see below), whose sum is σ = 25484982528. Its totient is φ = 21225321000.

The previous prime is 23354543521. The next prime is 23354543567. The reversal of 23354543531 is 13534545332.

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 23354543531 - 2⁶ = 23354543467 is a prime.

It is a super-2 number, since 2×23354543531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23354543521) 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, 263735 + ... + 340976.

It is an arithmetic number, because the mean of its divisors is an integer number (3185622816).

Almost surely, 2^23354543531 is an apocalyptic number.

23354543531 is a deficient number, since it is larger than the sum of its proper divisors (2130438997).

23354543531 is a wasteful number, since it uses less digits than its factorization.

23354543531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608233.

The product of its digits is 324000, while the sum is 38.

The spelling of 23354543531 in words is "twenty-three billion, three hundred fifty-four million, five hundred forty-three thousand, five hundred thirty-one".