1023633349 has 2 divisors, whose sum is σ = 1023633350. Its totient is φ = 1023633348.

The previous prime is 1023633311. The next prime is 1023633353. The reversal of 1023633349 is 9433363201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1014741025 + 8892324 = 31855^2 + 2982^2 .

It is an emirp because it is prime and its reverse (9433363201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023633349 - 2⁹ = 1023632837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023633389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511816674 + 511816675.

It is an arithmetic number, because the mean of its divisors is an integer number (511816675).

Almost surely, 2^1023633349 is an apocalyptic number.

It is an amenable number.

1023633349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023633349 is an equidigital number, since it uses as much as digits as its factorization.

1023633349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 34.

The square root of 1023633349 is about 31994.2705652121. The cubic root of 1023633349 is about 1007.8165257339.

The spelling of 1023633349 in words is "one billion, twenty-three million, six hundred thirty-three thousand, three hundred forty-nine".