653223345 has 64 divisors (see below), whose sum is σ = 1137037824. Its totient is φ = 319334400.

The previous prime is 653223341. The next prime is 653223349. The reversal of 653223345 is 543322356.

It is an interprime number because it is at equal distance from previous prime (653223341) and next prime (653223349).

It is not a de Polignac number, because 653223345 - 2² = 653223341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (653223341) 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, 931495 + ... + 932195.

It is an arithmetic number, because the mean of its divisors is an integer number (17766216).

Almost surely, 2^653223345 is an apocalyptic number.

It is an amenable number.

653223345 is a deficient number, since it is larger than the sum of its proper divisors (483814479).

653223345 is a wasteful number, since it uses less digits than its factorization.

653223345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its digits is 64800, while the sum is 33.

The square root of 653223345 is about 25558.2343873750. The cubic root of 653223345 is about 867.6686359481.

The spelling of 653223345 in words is "six hundred fifty-three million, two hundred twenty-three thousand, three hundred forty-five".