20423431301 has 16 divisors (see below), whose sum is σ = 25247289984. Its totient is φ = 16087996224.

The previous prime is 20423431283. The next prime is 20423431307. The reversal of 20423431301 is 10313432402.

It is a cyclic number.

It is not a de Polignac number, because 20423431301 - 2¹⁴ = 20423414917 is a prime.

It is a super-2 number, since 2×20423431301² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423431307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473690 + ... + 515003.

It is an arithmetic number, because the mean of its divisors is an integer number (1577955624).

Almost surely, 2^20423431301 is an apocalyptic number.

It is an amenable number.

20423431301 is a deficient number, since it is larger than the sum of its proper divisors (4823858683).

20423431301 is a wasteful number, since it uses less digits than its factorization.

20423431301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988940.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20423431301 its reverse (10313432402), we get a palindrome (30736863703).

It can be divided in two parts, 2042 and 3431301, that added together give a palindrome (3433343).

The spelling of 20423431301 in words is "twenty billion, four hundred twenty-three million, four hundred thirty-one thousand, three hundred one".