123444332132 has 36 divisors (see below), whose sum is σ = 245639825340. Its totient is φ = 54176189760.

The previous prime is 123444332107. The next prime is 123444332159. The reversal of 123444332132 is 231233444321.

It can be written as a sum of positive squares in 2 ways, for example, as 97140682276 + 26303649856 = 311674^2 + 162184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4383383 + ... + 4411454.

Almost surely, 2^123444332132 is an apocalyptic number.

It is an amenable number.

123444332132 is a deficient number, since it is larger than the sum of its proper divisors (122195493208).

123444332132 is a wasteful number, since it uses less digits than its factorization.

123444332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794892 (or 8794879 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 123444332132 its reverse (231233444321), we get a palindrome (354677776453).

The spelling of 123444332132 in words is "one hundred twenty-three billion, four hundred forty-four million, three hundred thirty-two thousand, one hundred thirty-two".