653323743 has 6 divisors (see below), whose sum is σ = 943689864. Its totient is φ = 435549156.

The previous prime is 653323733. The next prime is 653323757. The reversal of 653323743 is 347323356.

It is not a de Polignac number, because 653323743 - 2⁶ = 653323679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 653323698 and 653323707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653323733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36295755 + ... + 36295772.

It is an arithmetic number, because the mean of its divisors is an integer number (157281644).

Almost surely, 2^653323743 is an apocalyptic number.

653323743 is a deficient number, since it is larger than the sum of its proper divisors (290366121).

653323743 is a wasteful number, since it uses less digits than its factorization.

653323743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72591533 (or 72591530 counting only the distinct ones).

The product of its digits is 136080, while the sum is 36.

The square root of 653323743 is about 25560.1984147228. The cubic root of 653323743 is about 867.7130861522.

It can be divided in two parts, 6533 and 23743, that added together give a square (30276 = 174²).

The spelling of 653323743 in words is "six hundred fifty-three million, three hundred twenty-three thousand, seven hundred forty-three".