1223103132 has 48 divisors (see below), whose sum is σ = 3202432800. Its totient is φ = 403660800.

The previous prime is 1223103121. The next prime is 1223103143. The reversal of 1223103132 is 2313013221.

It is an interprime number because it is at equal distance from previous prime (1223103121) and next prime (1223103143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45157 + ... + 66972.

It is an arithmetic number, because the mean of its divisors is an integer number (66717350).

Almost surely, 2^1223103132 is an apocalyptic number.

1223103132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223103132 is an abundant number, since it is smaller than the sum of its proper divisors (1979329668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223103132 is a wasteful number, since it uses less digits than its factorization.

1223103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112243 (or 112235 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1223103132 is about 34972.8913874732. The cubic root of 1223103132 is about 1069.4349163434.

Adding to 1223103132 its reverse (2313013221), we get a palindrome (3536116353).

The spelling of 1223103132 in words is "one billion, two hundred twenty-three million, one hundred three thousand, one hundred thirty-two".