123432130067 has 4 divisors (see below), whose sum is σ = 124564535040. Its totient is φ = 122299725096.

The previous prime is 123432130057. The next prime is 123432130069. The reversal of 123432130067 is 760031234321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123432130067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123432130069) 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, 566202323 + ... + 566202540.

It is an arithmetic number, because the mean of its divisors is an integer number (31141133760).

Almost surely, 2^123432130067 is an apocalyptic number.

123432130067 is a deficient number, since it is larger than the sum of its proper divisors (1132404973).

123432130067 is a wasteful number, since it uses less digits than its factorization.

123432130067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132404972.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 123432130067 its reverse (760031234321), we get a palindrome (883463364388).

The spelling of 123432130067 in words is "one hundred twenty-three billion, four hundred thirty-two million, one hundred thirty thousand, sixty-seven".