23413551 has 8 divisors (see below), whose sum is σ = 35677824. Its totient is φ = 13379160.

The previous prime is 23413541. The next prime is 23413571. The reversal of 23413551 is 15531432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23413551 - 2⁵ = 23413519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23413541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557445 + ... + 557486.

It is an arithmetic number, because the mean of its divisors is an integer number (4459728).

Almost surely, 2^23413551 is an apocalyptic number.

23413551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23413551 is a deficient number, since it is larger than the sum of its proper divisors (12264273).

23413551 is a wasteful number, since it uses less digits than its factorization.

23413551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114941.

The product of its digits is 1800, while the sum is 24.

The square root of 23413551 is about 4838.7551084964. The cubic root of 23413551 is about 286.0810527116.

Adding to 23413551 its reverse (15531432), we get a palindrome (38944983).

The spelling of 23413551 in words is "twenty-three million, four hundred thirteen thousand, five hundred fifty-one".