23451552 has 48 divisors (see below), whose sum is σ = 68402880. Its totient is φ = 7816896.

The previous prime is 23451509. The next prime is 23451563. The reversal of 23451552 is 25515432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an unprimeable number.

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, 12708 + ... + 14435.

It is an arithmetic number, because the mean of its divisors is an integer number (1425060).

Almost surely, 2^23451552 is an apocalyptic number.

It is an amenable number.

23451552 is an abundant number, since it is smaller than the sum of its proper divisors (44951328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23451552 is a wasteful number, since it uses less digits than its factorization.

23451552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27162 (or 27148 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 23451552 is about 4842.6802496138. The cubic root of 23451552 is about 286.2357421882.

Adding to 23451552 its reverse (25515432), we get a palindrome (48966984).

The spelling of 23451552 in words is "twenty-three million, four hundred fifty-one thousand, five hundred fifty-two".