23423031535 has 4 divisors (see below), whose sum is σ = 28107637848. Its totient is φ = 18738425224.

The previous prime is 23423031497. The next prime is 23423031551. The reversal of 23423031535 is 53513032432.

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

It is a cyclic number.

It is not a de Polignac number, because 23423031535 - 2⁷ = 23423031407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23423031497 and 23423031506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342303149 + ... + 2342303158.

It is an arithmetic number, because the mean of its divisors is an integer number (7026909462).

Almost surely, 2^23423031535 is an apocalyptic number.

23423031535 is a deficient number, since it is larger than the sum of its proper divisors (4684606313).

23423031535 is an equidigital number, since it uses as much as digits as its factorization.

23423031535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684606312.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 23423031535 its reverse (53513032432), we get a palindrome (76936063967).

The spelling of 23423031535 in words is "twenty-three billion, four hundred twenty-three million, thirty-one thousand, five hundred thirty-five".