1055812423 has 2 divisors, whose sum is σ = 1055812424. Its totient is φ = 1055812422.

The previous prime is 1055812409. The next prime is 1055812507. The reversal of 1055812423 is 3242185501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055812423 is a prime.

It is a super-2 number, since 2×1055812423² = 2229479745122261858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055812403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527906211 + 527906212.

It is an arithmetic number, because the mean of its divisors is an integer number (527906212).

Almost surely, 2^1055812423 is an apocalyptic number.

1055812423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055812423 is an equidigital number, since it uses as much as digits as its factorization.

1055812423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 1055812423 is about 32493.2673487909. The cubic root of 1055812423 is about 1018.2683752107.

Adding to 1055812423 its reverse (3242185501), we get a palindrome (4297997924).

The spelling of 1055812423 in words is "one billion, fifty-five million, eight hundred twelve thousand, four hundred twenty-three".