1202100023 has 2 divisors, whose sum is σ = 1202100024. Its totient is φ = 1202100022.

The previous prime is 1202100013. The next prime is 1202100041. The reversal of 1202100023 is 3200012021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3200012021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202100023 - 2⁴ = 1202100007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202099977 and 1202100013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202100013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601050011 + 601050012.

It is an arithmetic number, because the mean of its divisors is an integer number (601050012).

Almost surely, 2^1202100023 is an apocalyptic number.

1202100023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202100023 is an equidigital number, since it uses as much as digits as its factorization.

1202100023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1202100023 is about 34671.3141227730. The cubic root of 1202100023 is about 1063.2780988813.

Adding to 1202100023 its reverse (3200012021), we get a palindrome (4402112044).

The spelling of 1202100023 in words is "one billion, two hundred two million, one hundred thousand, twenty-three".