123036032261 has 8 divisors (see below), whose sum is σ = 130561450560. Its totient is φ = 115691949472.

The previous prime is 123036032183. The next prime is 123036032291. The reversal of 123036032261 is 162230630321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123036032261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123036032291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45332480 + ... + 45335193.

It is an arithmetic number, because the mean of its divisors is an integer number (16320181320).

Almost surely, 2^123036032261 is an apocalyptic number.

It is an amenable number.

123036032261 is a deficient number, since it is larger than the sum of its proper divisors (7525418299).

123036032261 is an equidigital number, since it uses as much as digits as its factorization.

123036032261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90667755.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 123036032261 its reverse (162230630321), we get a palindrome (285266662582).

It can be divided in two parts, 1230360 and 32261, that added together give a palindrome (1262621).

The spelling of 123036032261 in words is "one hundred twenty-three billion, thirty-six million, thirty-two thousand, two hundred sixty-one".