123532653 has 4 divisors (see below), whose sum is σ = 164710208. Its totient is φ = 82355100.

The previous prime is 123532637. The next prime is 123532667. The reversal of 123532653 is 356235321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 123532653 - 2⁴ = 123532637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123532653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123532753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20588773 + ... + 20588778.

It is an arithmetic number, because the mean of its divisors is an integer number (41177552).

Almost surely, 2^123532653 is an apocalyptic number.

It is an amenable number.

123532653 is a deficient number, since it is larger than the sum of its proper divisors (41177555).

123532653 is an equidigital number, since it uses as much as digits as its factorization.

123532653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41177554.

The product of its digits is 16200, while the sum is 30.

The square root of 123532653 is about 11114.5244162762. The cubic root of 123532653 is about 498.0358315213.

Adding to 123532653 its reverse (356235321), we get a palindrome (479767974).

The spelling of 123532653 in words is "one hundred twenty-three million, five hundred thirty-two thousand, six hundred fifty-three".