123421244 has 6 divisors (see below), whose sum is σ = 215987184. Its totient is φ = 61710620.

The previous prime is 123421237. The next prime is 123421271. The reversal of 123421244 is 442124321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15427652 + ... + 15427659.

It is an arithmetic number, because the mean of its divisors is an integer number (35997864).

Almost surely, 2^123421244 is an apocalyptic number.

It is an amenable number.

123421244 is a deficient number, since it is larger than the sum of its proper divisors (92565940).

123421244 is a wasteful number, since it uses less digits than its factorization.

123421244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30855315 (or 30855313 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 123421244 is about 11109.5114204001. The cubic root of 123421244 is about 497.8860671714.

Adding to 123421244 its reverse (442124321), we get a palindrome (565545565).

The spelling of 123421244 in words is "one hundred twenty-three million, four hundred twenty-one thousand, two hundred forty-four".