123210040432 has 40 divisors (see below), whose sum is σ = 243300191184. Its totient is φ = 60423627264.

The previous prime is 123210040357. The next prime is 123210040501. The reversal of 123210040432 is 234040012321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890023 + ... + 2932345.

Almost surely, 2^123210040432 is an apocalyptic number.

It is an amenable number.

123210040432 is a deficient number, since it is larger than the sum of its proper divisors (120090150752).

123210040432 is a wasteful number, since it uses less digits than its factorization.

123210040432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45817 (or 45811 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123210040432 its reverse (234040012321), we get a palindrome (357250052753).

The spelling of 123210040432 in words is "one hundred twenty-three billion, two hundred ten million, forty thousand, four hundred thirty-two".