653513023 has 2 divisors, whose sum is σ = 653513024. Its totient is φ = 653513022.

The previous prime is 653513017. The next prime is 653513083. The reversal of 653513023 is 320315356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653513023 - 2⁵ = 653512991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 653512982 and 653513000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653513083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326756511 + 326756512.

It is an arithmetic number, because the mean of its divisors is an integer number (326756512).

Almost surely, 2^653513023 is an apocalyptic number.

653513023 is a deficient number, since it is larger than the sum of its proper divisors (1).

653513023 is an equidigital number, since it uses as much as digits as its factorization.

653513023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 653513023 is about 25563.9007782459. The cubic root of 653513023 is about 867.7968755834.

Adding to 653513023 its reverse (320315356), we get a palindrome (973828379).

The spelling of 653513023 in words is "six hundred fifty-three million, five hundred thirteen thousand, twenty-three".