215154031224023 has 2 divisors, whose sum is σ = 215154031224024. Its totient is φ = 215154031224022.

The previous prime is 215154031223981. The next prime is 215154031224037. The reversal of 215154031224023 is 320422130451512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215154031224023 - 2¹⁸ = 215154030961879 is a prime.

It is a super-2 number, since 2×215154031224023² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215154031223023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107577015612011 + 107577015612012.

It is an arithmetic number, because the mean of its divisors is an integer number (107577015612012).

Almost surely, 2^{215154031224023} is an apocalyptic number.

215154031224023 is a deficient number, since it is larger than the sum of its proper divisors (1).

215154031224023 is an equidigital number, since it uses as much as digits as its factorization.

215154031224023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 215154031224023 its reverse (320422130451512), we get a palindrome (535576161675535).

The spelling of 215154031224023 in words is "two hundred fifteen trillion, one hundred fifty-four billion, thirty-one million, two hundred twenty-four thousand, twenty-three".