1023311357 has 2 divisors, whose sum is σ = 1023311358. Its totient is φ = 1023311356.

The previous prime is 1023311351. The next prime is 1023311383. The reversal of 1023311357 is 7531133201.

It is an a-pointer prime, because the next prime (1023311383) can be obtained adding 1023311357 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656435641 + 366875716 = 25621^2 + 19154^2 .

It is an emirp because it is prime and its reverse (7531133201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023311357 - 2¹⁰ = 1023310333 is a prime.

It is a super-2 number, since 2×1023311357² = 2094332266730362898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023311351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511655678 + 511655679.

It is an arithmetic number, because the mean of its divisors is an integer number (511655679).

Almost surely, 2^1023311357 is an apocalyptic number.

It is an amenable number.

1023311357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023311357 is an equidigital number, since it uses as much as digits as its factorization.

1023311357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 1023311357 is about 31989.2381434757. The cubic root of 1023311357 is about 1007.7108424211.

Adding to 1023311357 its reverse (7531133201), we get a palindrome (8554444558).

The spelling of 1023311357 in words is "one billion, twenty-three million, three hundred eleven thousand, three hundred fifty-seven".