20432023103 has 4 divisors (see below), whose sum is σ = 21507392760. Its totient is φ = 19356653448.

The previous prime is 20432023081. The next prime is 20432023111. The reversal of 20432023103 is 30132023402.

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-20432023103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432023193) 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, 537684800 + ... + 537684837.

It is an arithmetic number, because the mean of its divisors is an integer number (5376848190).

Almost surely, 2^20432023103 is an apocalyptic number.

20432023103 is a deficient number, since it is larger than the sum of its proper divisors (1075369657).

20432023103 is a wasteful number, since it uses less digits than its factorization.

20432023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075369656.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20432023103 its reverse (30132023402), we get a palindrome (50564046505).

The spelling of 20432023103 in words is "twenty billion, four hundred thirty-two million, twenty-three thousand, one hundred three".