23232540423 has 4 divisors (see below), whose sum is σ = 30976720568. Its totient is φ = 15488360280.

The previous prime is 23232540421. The next prime is 23232540433. The reversal of 23232540423 is 32404523232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23232540423 - 2¹ = 23232540421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23232540421) 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 3 ways as a sum of consecutive naturals, for example, 3872090068 + ... + 3872090073.

It is an arithmetic number, because the mean of its divisors is an integer number (7744180142).

Almost surely, 2^23232540423 is an apocalyptic number.

23232540423 is a deficient number, since it is larger than the sum of its proper divisors (7744180145).

23232540423 is an equidigital number, since it uses as much as digits as its factorization.

23232540423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7744180144.

The product of its (nonzero) digits is 34560, while the sum is 30.

The spelling of 23232540423 in words is "twenty-three billion, two hundred thirty-two million, five hundred forty thousand, four hundred twenty-three".