23534155423 has 8 divisors (see below), whose sum is σ = 23838893568. Its totient is φ = 23230685184.

The previous prime is 23534155409. The next prime is 23534155439. The reversal of 23534155423 is 32455143532.

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 23534155423 - 2¹⁷ = 23534024351 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 (23534155493) 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, 279586 + ... + 353887.

It is an arithmetic number, because the mean of its divisors is an integer number (2979861696).

Almost surely, 2^23534155423 is an apocalyptic number.

23534155423 is a deficient number, since it is larger than the sum of its proper divisors (304738145).

23534155423 is an equidigital number, since it uses as much as digits as its factorization.

23534155423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633953.

The product of its digits is 216000, while the sum is 37.

Adding to 23534155423 its reverse (32455143532), we get a palindrome (55989298955).

The spelling of 23534155423 in words is "twenty-three billion, five hundred thirty-four million, one hundred fifty-five thousand, four hundred twenty-three".