32100020123 has 2 divisors, whose sum is σ = 32100020124. Its totient is φ = 32100020122.

The previous prime is 32100020101. The next prime is 32100020131. The reversal of 32100020123 is 32102000123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32100020123 - 2¹⁰ = 32100019099 is a prime.

It is a super-2 number, since 2×32100020123² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32100020098 and 32100020107.

It is not a weakly prime, because it can be changed into another prime (32100020723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16050010061 + 16050010062.

It is an arithmetic number, because the mean of its divisors is an integer number (16050010062).

Almost surely, 2^32100020123 is an apocalyptic number.

32100020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

32100020123 is an equidigital number, since it uses as much as digits as its factorization.

32100020123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 32100020123 its reverse (32102000123), we get a palindrome (64202020246).

The spelling of 32100020123 in words is "thirty-two billion, one hundred million, twenty thousand, one hundred twenty-three".