23423535 has 48 divisors (see below), whose sum is σ = 43726176. Its totient is φ = 11556864.

The previous prime is 23423527. The next prime is 23423537. The reversal of 23423535 is 53532432.

It is not a de Polignac number, because 23423535 - 2³ = 23423527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23423499 and 23423508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51027 + ... + 51483.

It is an arithmetic number, because the mean of its divisors is an integer number (910962).

Almost surely, 2^23423535 is an apocalyptic number.

23423535 is a deficient number, since it is larger than the sum of its proper divisors (20302641).

23423535 is a wasteful number, since it uses less digits than its factorization.

23423535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 549 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 23423535 is about 4839.7866688523. The cubic root of 23423535 is about 286.1217104678.

Adding to 23423535 its reverse (53532432), we get a palindrome (76955967).

It can be divided in two parts, 234235 and 35, that added together give a triangular number (234270 = T₆₈₄).

The spelling of 23423535 in words is "twenty-three million, four hundred twenty-three thousand, five hundred thirty-five".