2023155457 has 2 divisors, whose sum is σ = 2023155458. Its totient is φ = 2023155456.

The previous prime is 2023155427. The next prime is 2023155469. The reversal of 2023155457 is 7545513202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1797675201 + 225480256 = 42399^2 + 15016^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023155457 - 2¹¹ = 2023153409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2023155427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011577728 + 1011577729.

It is an arithmetic number, because the mean of its divisors is an integer number (1011577729).

Almost surely, 2^2023155457 is an apocalyptic number.

It is an amenable number.

2023155457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023155457 is an equidigital number, since it uses as much as digits as its factorization.

2023155457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 2023155457 is about 44979.5004085194. The cubic root of 2023155457 is about 1264.7647459953.

Adding to 2023155457 its reverse (7545513202), we get a palindrome (9568668659).

The spelling of 2023155457 in words is "two billion, twenty-three million, one hundred fifty-five thousand, four hundred fifty-seven".