1055423293 has 2 divisors, whose sum is σ = 1055423294. Its totient is φ = 1055423292.

The previous prime is 1055423249. The next prime is 1055423323. The reversal of 1055423293 is 3923245501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688432644 + 366990649 = 26238^2 + 19157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055423293 is a prime.

It is a super-2 number, since 2×1055423293² = 2227836654813927698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055423233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527711646 + 527711647.

It is an arithmetic number, because the mean of its divisors is an integer number (527711647).

Almost surely, 2^1055423293 is an apocalyptic number.

It is an amenable number.

1055423293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055423293 is an equidigital number, since it uses as much as digits as its factorization.

1055423293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1055423293 is about 32487.2789411486. The cubic root of 1055423293 is about 1018.1432622476.

Adding to 1055423293 its reverse (3923245501), we get a palindrome (4978668794).

The spelling of 1055423293 in words is "one billion, fifty-five million, four hundred twenty-three thousand, two hundred ninety-three".