20023132043 has 2 divisors, whose sum is σ = 20023132044. Its totient is φ = 20023132042.

The previous prime is 20023132009. The next prime is 20023132079. The reversal of 20023132043 is 34023132002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20023132043 - 2¹² = 20023127947 is a prime.

It is a super-2 number, since 2×20023132043² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20023135043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011566021 + 10011566022.

It is an arithmetic number, because the mean of its divisors is an integer number (10011566022).

Almost surely, 2^20023132043 is an apocalyptic number.

20023132043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023132043 is an equidigital number, since it uses as much as digits as its factorization.

20023132043 is an evil number, because the sum of its binary digits is even.

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

Adding to 20023132043 its reverse (34023132002), we get a palindrome (54046264045).

The spelling of 20023132043 in words is "twenty billion, twenty-three million, one hundred thirty-two thousand, forty-three".