1223123102 has 8 divisors (see below), whose sum is σ = 1835652456. Its totient is φ = 611238952.

The previous prime is 1223123071. The next prime is 1223123107. The reversal of 1223123102 is 2013213221.

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

It is a super-2 number, since 2×1223123102² = 2992060245292204808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223123107) 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, 156533 + ... + 164160.

It is an arithmetic number, because the mean of its divisors is an integer number (229456557).

Almost surely, 2^1223123102 is an apocalyptic number.

1223123102 is a deficient number, since it is larger than the sum of its proper divisors (612529354).

1223123102 is a wasteful number, since it uses less digits than its factorization.

1223123102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322602.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1223123102 is about 34973.1768931563. The cubic root of 1223123102 is about 1069.4407366482.

Adding to 1223123102 its reverse (2013213221), we get a palindrome (3236336323).

The spelling of 1223123102 in words is "one billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred two".