23513355 has 64 divisors (see below), whose sum is σ = 44928000. Its totient is φ = 11632896.

The previous prime is 23513353. The next prime is 23513381. The reversal of 23513355 is 55331532.

It is not a de Polignac number, because 23513355 - 2¹ = 23513353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (6750) is a multiple of the sum of its prime factors (225).

It is not an unprimeable number, because it can be changed into a prime (23513351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 228234 + ... + 228336.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^23513355 is an apocalyptic number.

23513355 is a deficient number, since it is larger than the sum of its proper divisors (21414645).

23513355 is a wasteful number, since it uses less digits than its factorization.

23513355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 219 counting only the distinct ones).

The product of its digits is 6750, while the sum is 27.

The square root of 23513355 is about 4849.0571248440. The cubic root of 23513355 is about 286.4869652248.

Adding to 23513355 its reverse (55331532), we get a palindrome (78844887).

The spelling of 23513355 in words is "twenty-three million, five hundred thirteen thousand, three hundred fifty-five".