121200402023 has 2 divisors, whose sum is σ = 121200402024. Its totient is φ = 121200402022.

The previous prime is 121200401989. The next prime is 121200402049. The reversal of 121200402023 is 320204002121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121200402023 - 2¹⁴ = 121200385639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121200401992 and 121200402010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121200402053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600201011 + 60600201012.

It is an arithmetic number, because the mean of its divisors is an integer number (60600201012).

Almost surely, 2^121200402023 is an apocalyptic number.

121200402023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200402023 is an equidigital number, since it uses as much as digits as its factorization.

121200402023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121200402023 its reverse (320204002121), we get a palindrome (441404404144).

The spelling of 121200402023 in words is "one hundred twenty-one billion, two hundred million, four hundred two thousand, twenty-three".