202123123051 has 2 divisors, whose sum is σ = 202123123052. Its totient is φ = 202123123050.

The previous prime is 202123123009. The next prime is 202123123057. The reversal of 202123123051 is 150321321202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202123123051 - 2¹⁵ = 202123090283 is a prime.

It is not a weakly prime, because it can be changed into another prime (202123123057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101061561525 + 101061561526.

It is an arithmetic number, because the mean of its divisors is an integer number (101061561526).

Almost surely, 2^202123123051 is an apocalyptic number.

202123123051 is a deficient number, since it is larger than the sum of its proper divisors (1).

202123123051 is an equidigital number, since it uses as much as digits as its factorization.

202123123051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 202123123051 its reverse (150321321202), we get a palindrome (352444444253).

The spelling of 202123123051 in words is "two hundred two billion, one hundred twenty-three million, one hundred twenty-three thousand, fifty-one".