23423455 has 16 divisors (see below), whose sum is σ = 30907008. Its totient is φ = 16900000.

The previous prime is 23423443. The next prime is 23423461. The reversal of 23423455 is 55432432.

It is not a de Polignac number, because 23423455 - 2⁷ = 23423327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5580 + ... + 8830.

It is an arithmetic number, because the mean of its divisors is an integer number (1931688).

Almost surely, 2^23423455 is an apocalyptic number.

23423455 is a deficient number, since it is larger than the sum of its proper divisors (7483553).

23423455 is a wasteful number, since it uses less digits than its factorization.

23423455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398.

The product of its digits is 14400, while the sum is 28.

The square root of 23423455 is about 4839.7784040181. The cubic root of 23423455 is about 286.1213847304.

Adding to 23423455 its reverse (55432432), we get a palindrome (78855887).

The spelling of 23423455 in words is "twenty-three million, four hundred twenty-three thousand, four hundred fifty-five".