120023549 has 2 divisors, whose sum is σ = 120023550. Its totient is φ = 120023548.

The previous prime is 120023521. The next prime is 120023573. The reversal of 120023549 is 945320021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118962649 + 1060900 = 10907^2 + 1030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120023549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120023749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60011774 + 60011775.

It is an arithmetic number, because the mean of its divisors is an integer number (60011775).

Almost surely, 2^120023549 is an apocalyptic number.

It is an amenable number.

120023549 is a deficient number, since it is larger than the sum of its proper divisors (1).

120023549 is an equidigital number, since it uses as much as digits as its factorization.

120023549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 120023549 is about 10955.5259572510. The cubic root of 120023549 is about 493.2746776603.

It can be divided in two parts, 12002 and 3549, that added together give a palindrome (15551).

The spelling of 120023549 in words is "one hundred twenty million, twenty-three thousand, five hundred forty-nine".