2203021423157 has 2 divisors, whose sum is σ = 2203021423158. Its totient is φ = 2203021423156.

The previous prime is 2203021423103. The next prime is 2203021423201. The reversal of 2203021423157 is 7513241203022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2141682975601 + 61338447556 = 1463449^2 + 247666^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203021423157 - 2²⁶ = 2202954314293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203021423457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101510711578 + 1101510711579.

It is an arithmetic number, because the mean of its divisors is an integer number (1101510711579).

Almost surely, 2^{2203021423157} is an apocalyptic number.

It is an amenable number.

2203021423157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203021423157 is an equidigital number, since it uses as much as digits as its factorization.

2203021423157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 2203021423157 its reverse (7513241203022), we get a palindrome (9716262626179).

The spelling of 2203021423157 in words is "two trillion, two hundred three billion, twenty-one million, four hundred twenty-three thousand, one hundred fifty-seven".