23213064 has 48 divisors (see below), whose sum is σ = 67510800. Its totient is φ = 6631968.

The previous prime is 23213059. The next prime is 23213083. The reversal of 23213064 is 46031232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23213064.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8694 + ... + 11045.

It is an arithmetic number, because the mean of its divisors is an integer number (1406475).

Almost surely, 2^23213064 is an apocalyptic number.

23213064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23213064 is an abundant number, since it is smaller than the sum of its proper divisors (44297736).

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

23213064 is a wasteful number, since it uses less digits than its factorization.

23213064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19762 (or 19751 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23213064 is about 4817.9937733459. The cubic root of 23213064 is about 285.2621533708.

Adding to 23213064 its reverse (46031232), we get a palindrome (69244296).

The spelling of 23213064 in words is "twenty-three million, two hundred thirteen thousand, sixty-four".