123021364 has 12 divisors (see below), whose sum is σ = 222711300. Its totient is φ = 59389568.

The previous prime is 123021359. The next prime is 123021377. The reversal of 123021364 is 463120321.

It can be written as a sum of positive squares in 2 ways, for example, as 32581264 + 90440100 = 5708^2 + 9510^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530149 + ... + 530380.

It is an arithmetic number, because the mean of its divisors is an integer number (18559275).

Almost surely, 2^123021364 is an apocalyptic number.

It is an amenable number.

123021364 is a deficient number, since it is larger than the sum of its proper divisors (99689936).

123021364 is a wasteful number, since it uses less digits than its factorization.

123021364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060562 (or 1060560 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 123021364 is about 11091.4996280936. The cubic root of 123021364 is about 497.3477749466.

Adding to 123021364 its reverse (463120321), we get a palindrome (586141685).

The spelling of 123021364 in words is "one hundred twenty-three million, twenty-one thousand, three hundred sixty-four".