1020000000023 has 2 divisors, whose sum is σ = 1020000000024. Its totient is φ = 1020000000022.

The previous prime is 1020000000011. The next prime is 1020000000073. The reversal of 1020000000023 is 3200000000201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020000000023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020000000073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510000000011 + 510000000012.

It is an arithmetic number, because the mean of its divisors is an integer number (510000000012).

Almost surely, 2^{1020000000023} is an apocalyptic number.

1020000000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020000000023 is an equidigital number, since it uses as much as digits as its factorization.

1020000000023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 1020000000023 its reverse (3200000000201), we get a palindrome (4220000000224).

The spelling of 1020000000023 in words is "one trillion, twenty billion, twenty-three", and thus it is an aban number and an uban number.